/* Resetando margens e padding */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Importando Fontes */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@800&display=swap');

/* --- VARIÁVEIS DE CORES E ESTILO --- */
:root {
    --primary-color: #c724b1;
    --primary-hover: #db5ddb;
    --secondary-color: #4c4a4a;
    --text-color: #f0f0f0;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --box-shadow: 0 10px 40px 0 rgba(12, 1, 44, 0.45);
    --text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    --warning-color: #f1fa8c;
    --danger-color: #ff5555;
    --success-color: #50fa7b;
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* --- ANIMAÇÕES GLOBAIS --- */
@keyframes fadeInSlideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes gradient-animation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Spinner de carregamento */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(-45deg, #0f0c29, #302b63, #24243e);
    background-size: 400% 400%;
    animation: gradient-animation 15s ease infinite;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100vh;
    color: var(--text-color);
    padding: 40px 0;
    overflow-x: hidden;
}

/* Classe para esconder labels de forma acessível */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Indicador de Carregamento */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000; /* Acima de todos os outros elementos */
    transition: opacity 0.3s ease;
}
.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none; /* Impede cliques quando oculto */
}
.spinner {
    border: 8px solid rgba(255, 255, 255, 0.3);
    border-top: 8px solid var(--primary-color);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

/* --- ESTILO DOS CONTENTORES GERAIS --- */
.nav-container { display: flex; justify-content: center; width: 100%; margin-bottom: 20px; }
.container { width: 100%; padding: 0 20px; }
.main-header { text-align: center; margin-bottom: 20px; }
h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.8em;
    font-weight: 800;
    text-align: center;
    margin-bottom: 30px;
    letter-spacing: 4px;
    color: #fff;
    text-shadow: 3px 3px 10px rgba(0,0,0,0.4);
}

/* --- ESTILO DE VIDRO PARA OS CARDS --- */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 18px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--box-shadow);
    padding: 35px;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 40px auto;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}
.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 45px 0 rgba(12, 1, 44, 0.5);
}
.card h2 {
    font-weight: 700;
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
    text-shadow: var(--text-shadow);
    color: rgba(255,255,255,0.95);
    text-align: center;
}
.tab-points-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 1em;
    font-weight: 600;
    margin-bottom: 25px;
    margin-top: -5px;
    opacity: 0.9;
    padding-bottom: 10px;
    border-bottom: 1.5px solid var(--glass-border);
}

/* --- PAINEL INTELIGENTE --- */
.smart-dashboard h3 {
    text-align: center;
    margin-bottom: 20px;
}

.smart-dashboard-description {
    text-align: center;
    opacity: 0.8;
    margin-top: 25px;
    margin-bottom: 0px;
    font-size: 1.05em;
}

.smart-dashboard-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.smart-dashboard-controls .small-select {
    width: 150px;
    padding: 10px 15px;
    font-size: 0.95em;
    border-radius: 8px;
}

.smart-dashboard-controls .small-btn {
    padding: 10px 18px;
    font-size: 0.95em;
    border-radius: 8px;
}

#upcoming-events-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#upcoming-events-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0,0,0,0.2);
    padding: 12px 15px;
    border-radius: 10px;
    border-left: 5px solid var(--primary-color);
}

#upcoming-events-list li.type-task { border-left-color: #6a6868; }
#upcoming-events-list li.type-bill { border-left-color: var(--warning-color); color: var(--text-color); }
#upcoming-events-list li.type-personal { border-left-color: #8be9fd; }
#upcoming-events-list li.type-deadline { border-left-color: var(--primary-color); }

.event-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.event-info .event-name {
    font-weight: 600;
    font-size: 1.05em;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 4px;
}

.event-info .event-details {
    font-size: 0.85em;
    opacity: 0.75;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

.event-info .event-details .event-type-label {
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9em;
    padding: 2px 6px;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    white-space: nowrap;
}

#upcoming-events-list li.type-task .event-details .event-type-label { background-color: rgba(106, 104, 104, 0.4); }
#upcoming-events-list li.type-bill .event-details .event-type-label { background-color: rgba(241, 250, 140, 0.3); color: #333; }
body.modo-claro #upcoming-events-list li.type-bill .event-details .event-type-label { background-color: rgba(241, 250, 140, 0.7); }
#upcoming-events-list li.type-personal .event-details .event-type-label { background-color: rgba(139, 233, 253, 0.3); }
#upcoming-events-list li.type-deadline .event-details .event-type-label { background-color: rgba(199, 36, 177, 0.3); }


.event-info .event-time {
    font-weight: 500;
    margin-left: 5px;
    white-space: nowrap;
}

.event-info .event-recurrence {
    font-size: 0.7em;
    opacity: 0.6;
    display: block;
    text-transform: capitalize;
    margin-top: 3px;
}

.event-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    margin: 0 15px;
}
.event-actions button {
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 5px;
    background-color: var(--secondary-color);
    opacity: 0.8;
    transition: opacity 0.2s;
    letter-spacing: 0.2px;
}
.event-actions button:hover {
    opacity: 1;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.event-actions .delete-btn {
    background-color: var(--danger-color);
}
.event-actions .delete-btn:hover {
    background-color: #ff7070;
}

.event-countdown {
    text-align: center;
}
.days-remaining {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 1.1em;
    line-height: 1;
    padding: 5px;
    box-sizing: border-box;
}
.days-remaining span {
    font-size: 0.5em;
    font-weight: 500;
    opacity: 0.9;
    white-space: nowrap;
}
.days-remaining.today {
    background-color: var(--danger-color);
    color: #fff;
    animation: blink 1.5s infinite;
}
.days-remaining.tomorrow {
    background-color: var(--warning-color);
    color: #333;
    font-size: 0.8em;
    line-height: 1.2;
    text-align: center;
    padding: 5px 2px;
    animation: blink 1.5s infinite;
}
#no-upcoming-events {
    text-align: center;
    opacity: 0.7;
    padding: 20px 0;
}

/* --- MODAL GERAL --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility 0s var(--transition-medium);
}
.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
}

#quick-reminder-modal .modal-content {
    background-color: #2d2a5a;
    max-width: 450px;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 40px 0 rgba(0, 0, 0, 0.45);
    position: relative;
    transform: scale(0.9);
    opacity: 0;
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}
#quick-reminder-modal.visible .modal-content {
    transform: scale(1);
    opacity: 1;
}

#quick-reminder-modal h3 {
    text-align: center;
    font-size: 1.8em;
    margin-bottom: 25px;
    color: var(--text-color);
}

#quick-reminder-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#quick-reminder-form select,
#quick-reminder-form input[type="text"],
#quick-reminder-form input[type="date"],
#quick-reminder-form input[type="time"],
#quick-reminder-form textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 1em;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
}

#quick-reminder-form button[type="submit"] {
    margin-top: 20px;
    width: 100%;
}

#quick-reminder-modal .modal-close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 2em;
    color: var(--text-color);
    cursor: pointer;
    transition: transform 0.2s ease, color 0.2s ease;
}
#quick-reminder-modal .modal-close-btn:hover {
    transform: scale(1.2);
    color: var(--primary-hover);
}


/* --- ABAS --- */
.tab-nav {
    display: inline-flex;
    max-width: 95%;
    flex-wrap: nowrap;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    padding: 6px;
    overflow-x: auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.tab-nav::-webkit-scrollbar { height: 6px; }
.tab-nav::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.1); border-radius: 10px; }
.tab-nav::-webkit-scrollbar-thumb { background-color: var(--primary-color); border-radius: 10px; }
.tab-nav::-webkit-scrollbar-thumb:hover { background-color: var(--primary-hover); }

.tab-link {
    background-color: transparent;
    color: var(--text-color);
    border: none;
    padding: 12px 22px;
    font-size: 1.05em;
    font-weight: 500;
    cursor: pointer;
    border-radius: 40px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}
.tab-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}
.tab-link.active {
    background-color: var(--primary-color);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 0 18px rgba(199, 36, 177, 0.6);
    transform: scale(1.02);
}
.tab-content { display: none; }
.tab-content.active { display: block; }
#calculadora-padrao.tab-content.active { display: flex; justify-content: center; }
.hidden { display: none !important; }

/* --- FORMULÁRIOS --- */
form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.calc-toggle { display: flex; background-color: rgba(0,0,0,0.2); border-radius: 10px; padding: 4px; margin-bottom: 20px; }
.calc-toggle.multi-toggle { flex-wrap: wrap; gap: 4px; }
.calc-toggle button { flex: 1; padding: 8px; font-size: 15px; font-weight: 500; background-color: transparent; box-shadow: none; opacity: 0.7; min-width: 100px; }
.calc-toggle button.active { background-color: var(--primary-color); box-shadow: 0 0 10px rgba(199, 36, 177, 0.5); opacity: 1; }
.form-row { display: flex; gap: 10px; }
.form-row input { flex: 1; }
.peso-input.hidden { display: none; }
#media-resultado, .calc-result { text-align: center; font-size: 1.2em; font-weight: 600; min-height: 25px; margin-top: 20px; }
.calc-result p { margin-bottom: 8px; }
.calc-result .result-explanation { font-size: 0.9em; opacity: 0.8; margin-top: 15px; }
.calc-result ul { list-style-position: inside; text-align: left; max-width: 400px; margin: 15px auto 0 auto; }
input, select, textarea {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--glass-border);
    padding: 14px 18px;
    border-radius: 12px;
    font-size: 17px;
    color: var(--text-color);
    transition: all var(--transition-fast);
    font-family: 'Poppins', sans-serif;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
}
input::placeholder, textarea::placeholder { color: rgba(240, 240, 240, 0.5); }
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-hover);
    box-shadow: 0 0 12px rgba(199, 36, 177, 0.6), inset 0 2px 5px rgba(0,0,0,0.2);
    background: rgba(0, 0, 0, 0.35);
}
input::-webkit-calendar-picker-indicator { filter: invert(1); }
select option { background: #302b63; color: var(--text-color); }

/* --- BOTÕES --- */
button {
    padding: 16px 25px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    letter-spacing: 0.5px;
}
button:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 8px 25px rgba(199, 36, 177, 0.7);
    transform: translateY(-3px);
}
button:active {
    transform: translateY(-1px) scale(0.99);
    box-shadow: 0 3px 12px rgba(0,0,0,0.2);
}
button:disabled {
    background-color: var(--secondary-color);
    opacity: 0.6;
    cursor: not-allowed;
    transform: translateY(0);
    box-shadow: none;
}
.main-action-btn { margin-top: 25px; }
.secondary-btn { background-color: var(--secondary-color); }
.secondary-btn:hover { background-color: #6a6868; }
.danger-btn { background-color: var(--danger-color); }
.danger-btn:hover { background-color: #ff7070; }

/* --- CALCULADORA PADRÃO --- */
.standard-calculator { background: var(--glass-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid var(--glass-border); box-shadow: var(--box-shadow); border-radius: 20px; padding: 25px; max-width: 380px; width: 100%; margin: 0 auto 35px auto; }
#calculator-display { width: 100%; text-align: right; font-size: 2.5em; font-weight: 700; background: rgba(0, 0, 0, 0.3); margin-bottom: 20px; padding: 20px; }
.calculator-keys { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.calculator-keys button { padding: 20px; font-size: 1.5em; background-color: var(--glass-bg); color: var(--text-color); }
.calculator-keys button:hover { background-color: rgba(255, 255, 255, 0.2); }
.calculator-keys .equals-btn { grid-row: span 2; background-color: var(--primary-color); }
.calculator-keys .equals-btn:hover { background-color: var(--primary-hover); }
.calculator-keys .zero-btn { grid-column: span 2; }

/* --- JOGOS E POMODORO --- */
.game-container { max-width: 550px; margin: 0 auto; }
#jogo-calculo .game-stats {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
}
.game-scores {
    display: flex;
    justify-content: center;
    gap: 30px;
    width: 100%;
    font-weight: 500;
    font-size: 0.95em;
}
.game-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    width: 100%;
    flex-wrap: wrap;
}
.difficulty-btn { padding: 5px 12px; font-size: 14px; background-color: var(--secondary-color); opacity: 0.6; }
.difficulty-btn.active { background-color: var(--primary-color); opacity: 1; box-shadow: 0 0 10px rgba(199, 36, 177, 0.5); }
.game-problem-box { text-align: center; font-size: 2.5em; font-weight: 700; color: #fff; padding: 20px; background: linear-gradient(45deg, var(--primary-color), #8a2be2); border-radius: 10px; margin-bottom: 10px; text-shadow: 2px 2px 4px rgba(0,0,0,0.2); }
.game-timer-box, #game-feedback, #resultado { text-align: center; font-size: 1.2em; font-weight: 600; min-height: 25px; }

.game-volume-controls { display: flex; align-items: center; gap: 8px; }
.game-volume-controls .volume-icon { font-size: 1.1em; }
.game-volume-controls .volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 80px;
    height: 4px;
    background: rgba(0,0,0,0.3);
    border-radius: 5px;
    outline: none;
    cursor: pointer;
}
.game-volume-controls .volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 15px;
    height: 15px;
    background: var(--primary-color);
    cursor: pointer;
    border-radius: 50%;
}
.game-volume-controls .volume-slider::-moz-range-thumb {
    width: 15px;
    height: 15px;
    background: var(--primary-color);
    cursor: pointer;
    border-radius: 50%;
    border: none;
}

/* --- CÁLCULOS DETALHADOS --- */
.detailed-calc-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
#detailed-calc-inputs-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}
.add-btn {
    background-color: var(--secondary-color);
    padding: 8px;
    font-size: 14px;
    font-weight: 500;
    width: 60%;
    align-self: center;
    margin-top: -5px;
}
.add-btn:hover {
    background-color: #6a6868;
}
#detailed-calc-result {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}
#detailed-calc-result h3 {
    font-weight: 600;
    margin-bottom: 15px;
    margin-top: 10px;
}
.step-description {
    font-size: 0.9em;
    opacity: 0.8;
    margin-bottom: 15px;
}
.explanation-step {
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-left: 45px;
    min-height: 50px;
    margin-bottom: 10px;
}
.explanation-step:last-child {
    min-height: auto;
}
.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    z-index: 2;
}
.explanation-step::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 30px;
    bottom: -10px;
    width: 2px;
    background-color: rgba(255, 255, 255, 0.2);
    z-index: 1;
}
.explanation-step:last-child::before {
    display: none;
}
.step-text {
    padding-top: 4px;
}
.error-msg {
    color: var(--danger-color);
    text-align: center;
    font-weight: 600;
}
.final-step {
    font-size: 1.2em;
    font-weight: 500;
    text-align: center;
    padding: 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    margin-top: 15px;
    word-break: break-all;
}
.factorization-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    margin: 25px 0;
    font-size: 1.15em;
    color: var(--text-color);
}
.factorization-table th, .factorization-table td {
    padding: 12px 10px;
    text-align: center;
    border-bottom: none;
    background: rgba(0,0,0,0.15);
    border-radius: 5px;
}
.factorization-table th {
    font-weight: 700;
    opacity: 0.9;
    background: rgba(0,0,0,0.25);
    color: rgba(255,255,255,0.9);
}
.factorization-table td:last-child, .factorization-table th:last-child {
    border-left: 3px solid var(--glass-border);
    font-weight: 700;
}
.factor.highlight {
    color: var(--primary-hover);
    font-weight: 800;
}
body.modo-claro .factorization-table td, body.modo-claro .factorization-table th {
    border-color: rgba(0,0,0,0.1);
    background: rgba(0,0,0,0.05);
    color: #333;
}
body.modo-claro .factorization-table th {
    background: rgba(0,0,0,0.1);
    color: #222;
}
body.modo-claro .factorization-table td:last-child, body.modo-claro .factorization-table th:last-child {
    border-left-color: rgba(0,0,0,0.1);
}

/* --- JOGO DA MEMÓRIA --- */
.memory-difficulty-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}
.memory-stats { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 20px; 
    font-size: 1.1em; 
    font-weight: 500; 
}
#reset-memory-game { font-size: 14px; padding: 8px 15px; }
.memory-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; perspective: 1000px; }
.memory-card { background-color: transparent; height: 100px; border-radius: 10px; cursor: pointer; position: relative; transform-style: preserve-3d; transition: transform 0.6s; }
.memory-card.flipped { transform: rotateY(180deg); }
.memory-card.matched { transform: rotateY(180deg); opacity: 0.5; cursor: default; }
.card-face { position: absolute; width: 100%; height: 100%; backface-visibility: hidden; border-radius: 10px; display: flex; justify-content: center; align-items: center; font-size: 1.2em; font-weight: 600; padding: 5px; text-align: center; overflow: auto; }
.card-front { background: var(--primary-color); color: white; font-size: 2.5em; }
.card-back { background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--text-color); transform: rotateY(180deg); }

/* --- LISTAS e PRAZOS INTELIGENTES (antigo) --- */
#historico-notas-lista { list-style-type: none; padding-left: 0; }
#historico-notas-lista li {
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.25);
    margin-bottom: 10px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    border-left: 6px solid transparent;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
#historico-notas-lista li:hover {
    background-color: rgba(0, 0, 0, 0.35);
}
.new-list-item { animation: fadeInSlideDown 0.5s ease-out forwards; }
#historico-notas-lista li button {
    margin-left: 12px;
    padding: 8px 14px;
    background-color: var(--secondary-color);
    font-size: 15px;
    border-radius: 8px;
}

/* Empty States */
.empty-state-message {
    text-align: center;
    opacity: 0.7;
    padding: 30px 0;
    font-style: italic;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.empty-state-message::before {
    content: ''; /* Ícone ou imagem, se desejar */
    font-size: 2em;
    margin-bottom: 10px;
}
#no-diario-entries-message::before { content: '✨'; }
#no-grades-message::before { content: '📚'; }


/* --- LOJA DE TEMAS --- */
.store-description { text-align: center; color: var(--text-color); opacity: 0.8; margin-bottom: 25px; }
.theme-shop-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.theme-card { background: rgba(0,0,0,0.2); border-radius: 10px; padding: 15px; text-align: center; transition: transform 0.2s ease; }
.theme-card:hover { transform: translateY(-5px); }
.theme-preview { height: 100px; border-radius: 8px; margin-bottom: 15px; border: 2px solid var(--glass-border); }
.theme-name { font-weight: 600; margin-bottom: 15px; }
.theme-button { width: 100%; font-size: 15px; padding: 10px; }
.theme-button:disabled { background-color: var(--secondary-color); cursor: not-allowed; opacity: 0.7; }
.theme-button[data-action="equip"]:disabled { background-color: #0a8f2c; opacity: 1; }

/* --- CONTEÚDO NUTRICIONAL --- */
.nutrition-content { display: none; }
.nutrition-content.active { display: block; }

/* --- TEMPORIZADOR POMODORO --- */
.pomodoro-mode-display { text-align: center; font-size: 1.5em; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 15px; opacity: 0.8; }
.pomodoro-timer-display { font-family: 'Montserrat', sans-serif; font-size: 6em; font-weight: 800; text-align: center; margin-bottom: 25px; text-shadow: 2px 2px 10px rgba(0,0,0,0.2); }
.pomodoro-controls-container { display: flex; justify-content: center; gap: 15px; }
.pomodoro-controls-container button { min-width: 120px; }
.pomodoro-settings { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--glass-border); }
.pomodoro-settings h3 { text-align: center; font-weight: 600; margin-bottom: 20px; }
.settings-row { display: flex; justify-content: space-between; align-items: center; max-width: 400px; margin: 0 auto 15px auto; }
.settings-row label { font-weight: 500; }
.settings-row input, .settings-row select { width: 100px; padding: 8px; font-size: 15px; }
#save-pomodoro-settings { display: block; width: 60%; max-width: 400px; margin: 20px auto 0 auto; }

/* --- ESTILOS PARA O DIÁRIO (NOVO) --- */
#diario-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    width: 100%;
}

#diario-search-input {
    flex-grow: 0;
    width: auto;
    min-width: 250px;
    max-width: 100%;
}

#add-diario-entry-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

.entries-list-container {
    list-style: none;
    padding: 0;
}

.diario-entry-item {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    border-left: 6px solid var(--primary-color);
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.diario-entry-item:hover {
    background-color: rgba(0, 0, 0, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.entry-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.entry-title {
    font-weight: 600;
    font-size: 1.1em;
    color: var(--text-color);
}

.entry-date {
    font-size: 0.85em;
    opacity: 0.7;
}

.entry-actions button {
    padding: 8px 14px;
    font-size: 0.9em;
    margin-left: 10px;
    min-width: 80px;
}

#diario-edit-view .diario-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
}
#diario-edit-view .diario-actions button {
    flex-grow: 1;
    max-width: 200px;
}

#diario-read-view.modal-overlay .modal-content {
    padding: 30px;
    border-radius: 15px;
}
#diario-read-view h3 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 1.8em;
    color: var(--primary-color);
}
#diario-read-date {
    text-align: center;
    font-size: 0.9em;
    opacity: 0.8;
    margin-bottom: 20px;
}
#diario-read-content {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 20px;
    max-height: 400px;
    overflow-y: auto;
    line-height: 1.8;
    font-size: 1.05em;
    word-break: break-word;
}


/* --- ESTILOS DO EDITOR DO DIÁRIO --- */
.diario-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    margin-bottom: 15px;
    padding: 8px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.diario-toolbar-item {
    background: rgba(0,0,0,0.25);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.diario-toolbar-button {
    background-color: transparent;
    border: 1px solid transparent;
    color: var(--text-color);
    padding: 6px;
    border-radius: 6px;
    min-width: 32px;
    height: 32px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.diario-toolbar-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.diario-toolbar-button.active {
    background-color: var(--primary-color);
    border-color: var(--primary-hover);
    color: #fff;
}

/* Alinhamento dos ícones de alinhamento */
#diario-justify-left-btn { transform: scaleX(-1); }
#diario-justify-center-btn { transform: rotate(90deg); }
#diario-justify-right-btn { }


.toolbar-divider {
    width: 1px;
    height: 24px;
    background-color: var(--glass-border);
    margin: 0 6px;
}

.color-picker-wrapper {
    position: relative;
}
.hidden-color-picker {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    cursor: pointer;
}


.diario-editable-area {
    width: 100%;
    min-height: 200px;
    resize: vertical;
    overflow-y: auto;
    line-height: 1.6;
    background: #ffffff;
    color: #333333;
    border: 1px solid var(--glass-border);
    padding: 14px 18px;
    border-radius: 12px;
    font-size: 17px;
    font-family: 'Poppins', sans-serif;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
    transition: all var(--transition-fast);
}
.diario-editable-area:focus {
    outline: none;
    border-color: var(--primary-hover);
    box-shadow: 0 0 12px rgba(199, 36, 177, 0.6), inset 0 2px 5px rgba(0,0,0,0.2);
    background: #ffffff;
}

/* --- GRÁFICO DE DESEMPENHO (MODAL) --- */
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 1px solid var(--glass-border); }
.card-header h2 { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.chart-btn { padding: 6px 12px; font-size: 14px; font-weight: 500; background-color: var(--secondary-color); }

.modal-content {
    background-color: #2d2a5a;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    width: 90%; max-width: 850px;
    position: relative;
    box-shadow: 0 10px 40px 0 rgba(0, 0, 0, 0.45);
    transform: scale(0.85);
    opacity: 0;
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}
.modal-overlay.visible .modal-content { transform: scale(1); opacity: 1; }
.modal-close-btn {
    position: absolute; top: 15px; right: 25px;
    font-size: 2.5em;
    font-weight: bold;
    color: var(--text-color);
    cursor: pointer;
    transition: transform var(--transition-fast), color var(--transition-fast);
}
.modal-close-btn:hover {
    transform: scale(1.3);
    color: var(--primary-hover);
}
.modal-content h3 {
    text-align: center;
    margin-bottom: 25px;
    color: var(--text-color);
    font-size: 1.8em;
}

/* --- Modal de Alerta/Confirmação Customizado --- */
.custom-alert-content {
    max-width: 400px; /* Menor para alertas */
    text-align: center;
    padding-bottom: 20px; /* Ajuste para o botão */
}
.custom-alert-content p {
    font-size: 1.1em;
    margin-bottom: 25px;
}
.custom-alert-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
}
.custom-alert-actions button {
    flex-grow: 1;
    max-width: 150px;
}

/* --- TEMAS VISUAIS --- */
body.theme-forest { background: linear-gradient(-45deg, #1A2A12, #3C5F2A, #6F7F33); --primary-color: #6F7F33; --primary-hover: #8a9a5b; }
body.theme-forest .game-problem-box { background: linear-gradient(45deg, #6F7F33, #8a9a5b); }
body.theme-ocean { background: linear-gradient(-45deg, #021B79, #0575E6, #12a8fe); --primary-color: #12a8fe; --primary-hover: #53c5fc; }
body.theme-ocean .game-problem-box { background: linear-gradient(45deg, #12a8fe, #0575E6); }
body.theme-matrix { background: linear-gradient(-45deg, #000000, #0d1a00, #00ff41); --primary-color: #00ff41; --primary-hover: #5ff98c; }
body.theme-matrix .game-problem-box { background: linear-gradient(45deg, #00ff41, #0c9b2f); }
body.theme-sunset { background: linear-gradient(-45deg, #ff7e5f, #feb47b, #ff6a6a); --primary-color: #ff6a6a; --primary-hover: #ff8b8b; }
body.theme-sunset .game-problem-box { background: linear-gradient(45deg, #ff6a6a, #ff7e5f); }

/* --- MODO CLARO --- */
#modo-escuro-btn {
    position: fixed; top: 25px; right: 25px;
    width: auto; padding: 10px 20px;
    font-size: 15px; border-radius: 25px;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-color);
    transition: all var(--transition-fast);
}
#modo-escuro-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

body.modo-claro { background: linear-gradient(-45deg, #e0c3fc, #8ec5fc, #f5f7fa); color: #333; }
body.modo-claro .main-header h1 {
    color: #2c2c2c;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.1);
}
body.modo-claro .total-points-display {
    color: #444;
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(0, 0, 0, 0.1);
    border-bottom-color: rgba(0, 0, 0, 0.1);
}
body.modo-claro .card, body.modo-claro .standard-calculator { background: rgba(255, 255, 255, 0.5); border-color: rgba(0, 0, 0, 0.1); }
body.modo-claro .card h2 {
    color: #2c2c2c;
    text-shadow: none;
    border-bottom-color: rgba(0, 0, 0, 0.15);
}
body.modo-claro .tab-nav {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
}
body.modo-claro .tab-link { color: #555; }
body.modo-claro .tab-link:hover { background-color: rgba(0, 0, 0, 0.08); }
body.modo-claro .tab-link.active {
    color: #fff;
    box-shadow: 0 0 15px rgba(199, 36, 177, 0.4);
}
body.modo-claro input, body.modo-claro select, body.modo-claro textarea { background: rgba(255, 255, 255, 0.7); color: #333; border-color: rgba(0, 0, 0, 0.1); }
body.modo-claro input::placeholder, body.modo-claro textarea::placeholder { color: #777; }
body.modo-claro #calculator-display { color: #333; background: #fff; }
body.modo-claro .calculator-keys button { background: #fff; color: #333; }
body.modo-claro #historico-notas-lista li { background: rgba(0, 0, 0, 0.05); }
body.modo-claro .card-back { background: #fff; border: 1px solid #ddd; }
body.modo-claro .theme-card { background: rgba(255,255,255,0.4); }
body.modo-claro .pomodoro-timer-display { color: #2c2c2c; }
body.modo-claro .game-problem-box {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-hover));
    color: #fff;
}
body.modo-claro .diario-entry-item {
    background: rgba(0, 0, 0, 0.08);
    border-left-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
body.modo-claro .diario-entry-item:hover {
    background-color: rgba(0, 0, 0, 0.15);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
body.modo-claro .entry-title {
    color: #333;
}
body.modo-claro #diario-read-content {
    background: rgba(0, 0, 0, 0.05);
    color: #333;
}
body.modo-claro .empty-state-message {
    color: #555;
}
body.modo-claro .smart-dashboard-controls .small-select {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
    color: #333;
}
body.modo-claro #upcoming-events-list li {
    background: rgba(0, 0, 0, 0.08);
}
body.modo-claro #upcoming-events-list li.type-bill { color: #333; }
body.modo-claro #quick-reminder-modal .modal-content {
    background-color: #f0f0f0;
    color: #333;
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 40px 0 rgba(0, 0, 0, 0.2);
}
body.modo-claro #quick-reminder-modal .modal-close-btn {
    color: #555;
}
body.modo-claro #quick-reminder-modal h3 {
    color: var(--primary-color);
}
body.modo-claro #quick-reminder-form select,
body.modo-claro #quick-reminder-form input,
body.modo-claro #quick-reminder-form textarea {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(0, 0, 0, 0.1);
    color: #333;
}
body.modo-claro #quick-reminder-form input::placeholder,
body.modo-claro #quick-reminder-form textarea::placeholder {
    color: #777;
}
body.modo-claro .custom-alert-content {
    background-color: #f0f0f0;
    color: #333;
    border-color: rgba(0, 0, 0, 0.1);
}
body.modo-claro .diario-toolbar {
    background-color: rgba(0, 0, 0, 0.05);
}
body.modo-claro .diario-toolbar-item,
body.modo-claro .diario-toolbar-button {
    background-color: transparent;
    color: #333;
    border-color: transparent;
}
body.modo-claro .diario-toolbar-button:hover {
    background-color: rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 0, 0, 0.2);
}
body.modo-claro .diario-toolbar-button.active {
    background-color: var(--primary-color);
    border-color: var(--primary-hover);
    color: #fff;
}
body.modo-claro .toolbar-divider {
    background-color: rgba(0, 0, 0, 0.1);
}
body.modo-claro .diario-editable-area {
    background: #ffffff;
    color: #333;
    border-color: rgba(0, 0, 0, 0.1);
}


/* --- FOOTER --- */
.footer {
    text-align: center;
    margin-top: 60px;
    padding: 20px 0;
    font-size: 0.9em;
    color: rgba(240, 240, 240, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 768px) {
    h1 { font-size: 2.8em; letter-spacing: 2px; margin-bottom: 20px;}
    .nav-container { margin-bottom: 20px; }
    .main-header { margin-bottom: 10px; }
    .card, .standard-calculator { padding: 20px; margin-bottom: 30px; }
    .card h2 { font-size: 1.6em; margin-bottom: 20px; padding-bottom: 10px; }
    #jogo-calculo .game-stats { flex-direction: column; align-items: center; gap: 15px; }
    .memory-difficulty-controls { flex-direction: column; align-items: stretch; gap: 15px; }
    .memory-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .pomodoro-timer-display { font-size: 5em; margin-bottom: 20px; }
    .pomodoro-controls-container button { min-width: 100px; padding: 12px 15px; font-size: 15px; }
    #historico-notas-lista li {
        padding: 12px 15px; gap: 8px;
        font-size: 0.95em;
    }
    #historico-notas-lista li button {
        padding: 6px 10px; font-size: 13px;
    }
    .modal-content { padding: 25px; border-radius: 15px; }
    .modal-close-btn { font-size: 2em; top: 10px; right: 15px; }
    #modo-escuro-btn { top: 15px; right: 15px; padding: 8px 12px; font-size: 13px; }

    #upcoming-events-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 10px 12px;
    }
    .event-actions {
        order: 1;
        margin: 5px 0;
        justify-content: flex-start;
    }
    .event-countdown {
        order: 2;
        align-self: flex-end;
    }
    .event-info {
        order: 0;
    }

    #diario-controls {
        flex-direction: column;
        align-items: stretch;
    }
    #diario-search-input {
        max-width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .diario-entry-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .entry-actions {
        width: 100%;
        display: flex;
        justify-content: space-around;
        gap: 10px;
        margin-top: 10px;
    }
    .entry-actions button {
        flex: 1;
        margin-left: 0;
    }
    #diario-read-content {
        max-height: 300px;
    }
    .smart-dashboard-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .smart-dashboard-controls .small-select,
    .smart-dashboard-controls .small-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2.2em; letter-spacing: 1px; }
    .tab-nav { padding: 4px; }
    .tab-link { padding: 10px 15px; font-size: 0.9em; }
    .card { padding: 15px; margin-bottom: 25px; }
    .card h2 { font-size: 1.4em; margin-bottom: 15px; }
    button { padding: 12px 18px; font-size: 16px; }
    input, select, textarea { padding: 12px 15px; font-size: 15px; }
    .pomodoro-timer-display { font-size: 4em; }
    .calculator-keys button { padding: 15px; font-size: 1.2em; }
    .memory-grid { grid-template-columns: repeat(2, 1fr); }
    .memory-card { height: 80px; }
    #diario-edit-view .diario-actions button {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
  #detailed-calc-inputs-container {
    grid-template-columns: 1fr; /* Muda o layout para uma única coluna em telas menores */
  }
}

/* Agrupamento dos botões no cabeçalho do card */
.card-header > div {
    display: flex;
    gap: 10px;
}

/* Estilos para o Modal de Gerenciar Matérias */
#manage-subjects-modal .modal-content {
    max-width: 500px;
}

.modal-description {
    text-align: center;
    margin-top: 25px;
    margin-bottom: 15px;
    font-weight: 500;
    opacity: 0.8;
}

#subjects-list {
    list-style: none;
    padding: 0;
    max-height: 250px;
    overflow-y: auto;
    padding-right: 10px; /* Espaço para a barra de rolagem */
}

#subjects-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-weight: 500;
}

.delete-subject-btn {
    padding: 5px 10px;
    font-size: 13px;
}

body.modo-claro #subjects-list li {
    background: rgba(0, 0, 0, 0.08);
}