/* Reset & Base Styles */
:root {
    --bg-color: #121212;
    --surface-color: #1E1E1E;
    --surface-highlight: #2D2D2D;
    --text-primary: #E0E0E0;
    --text-secondary: #A0A0A0;
    --accent-blue: #4B90FF;
    --accent-purple: #9D4BFF;
    --accent-red: #FF5546;
    --accent-gradient: linear-gradient(135deg, #4B90FF 0%, #9D4BFF 100%);
    --border-color: #333333;
    --nav-height: 60px;
    --radius-lg: 24px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

/* Light Mode Variables */
[data-theme="light"] {
    --bg-color: #F0F2F5;
    --surface-color: #FFFFFF;
    --surface-highlight: #F7F9FC;
    --text-primary: #1A1A1A;
    --text-secondary: #5E6C84;
    --border-color: #E2E8F0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

#app {
    height: 100%;
    display: flex;
    flex-direction: column;
    max-width: 100%;
    margin: 0 auto;
    background-color: var(--bg-color);
    position: relative;
}

/* Main Container */
#main-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding: 20px;
    padding-bottom: 100px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    background-color: var(--bg-color);
}

.view.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 10;
}

.view-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

/* Search Bar */
.search-bar {
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.search-bar input {
    background: none;
    border: none;
    color: var(--text-primary);
    width: 100%;
    font-size: 1rem;
    outline: none;
}

.search-bar span {
    color: var(--text-secondary);
}

/* Notes Grid */
.notes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.note-card {
    background-color: var(--surface-color);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
    position: relative;
    overflow: hidden;
}

.note-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-blue);
}

.note-type-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 1.2rem;
    color: var(--text-secondary);
    opacity: 0.5;
}

.note-preview {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.note-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* FAB */
.fab-container {
    position: fixed;
    bottom: 84px;
    /* Adjusted for fixed bottom nav */
    right: 24px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.fab-main {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: white;
    box-shadow: 0 4px 12px rgba(75, 144, 255, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.fab-container.open .fab-main {
    transform: rotate(45deg);
}

.fab-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.3s;
}

.fab-container.open .fab-options {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.fab-option {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--surface-highlight);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s;
}

.fab-option:hover {
    transform: scale(1.1);
    background-color: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* Settings */
.settings-content {
    padding: 20px 0;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.input-group input {
    width: 100%;
    padding: 12px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
}

.hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.hint a {
    color: var(--accent-blue);
}

.primary-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.install-app-button {
    width: 100%;
    background: var(--surface-highlight);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    margin-top: 12px; /* Add some space from the save button */
}

.install-app-button:hover {
    background-color: var(--surface-highlight);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}
.tabs {
    display: flex;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 8px 0;
    cursor: pointer;
    position: relative;
}

.tab-btn.active {
    color: var(--text-primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-blue);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.markdown-body {
    line-height: 1.6;
    color: var(--text-primary);
}

.action-items {
    margin-top: 20px;
    padding: 16px;
    background-color: rgba(75, 144, 255, 0.1);
    border-radius: var(--radius-md);
    border: 1px solid rgba(75, 144, 255, 0.2);
}

.action-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 100;
    display: flex;
    align-items: flex-end;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--surface-color);
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 24px;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.modal.open .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

.create-section.hidden {
    display: none;
}

textarea {
    width: 100%;
    height: 150px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    resize: none;
    outline: none;
}

.upload-button,
.camera-button {
    width: 100%;
    padding: 20px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    margin-bottom: 12px; /* Add some space between the buttons */
}

.upload-button:hover,
.camera-button:hover {
    background-color: var(--surface-highlight);
    border-color: var(--accent-blue);
}

.upload-button span,
.camera-button span {
    font-size: 2.5rem;
    color: var(--text-secondary);
}

.upload-button p,
.camera-button p {
    font-size: 1rem;
    font-weight: 500;
}

.remove-button {
    width: 100%;
    padding: 12px;
    background-color: var(--surface-highlight);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--accent-red);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    margin-bottom: 12px;
}

.remove-button:hover {
    background-color: var(--accent-red);
    color: white;
}

#image-preview {
    width: 100%;
    border-radius: var(--radius-md);
    margin-top: 16px;
}

.hidden {
    display: none;
}

/* Audio Visualizer Mock */
.audio-visualizer {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: 20px;
}

.wave {
    width: 4px;
    height: 20px;
    background-color: var(--accent-red);
    border-radius: 2px;
    animation: wave 1s infinite ease-in-out;
    animation-play-state: paused;
    /* Paused by default */
}

.wave:nth-child(2) {
    animation-delay: 0.1s;
    height: 30px;
}

.wave:nth-child(3) {
    animation-delay: 0.2s;
    height: 15px;
}

@keyframes wave {

    0%,
    100% {
        transform: scaleY(1);
    }

    50% {
        transform: scaleY(1.5);
    }
}

.record-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--surface-highlight);
    border: 2px solid var(--accent-red);
    color: var(--accent-red);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.2s;
}

.record-btn.recording {
    background-color: var(--accent-red);
    color: white;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 85, 70, 0.4);
    }

    70% {
        box-shadow: 0 0 0 20px rgba(255, 85, 70, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 85, 70, 0);
    }
}

.timer {
    text-align: center;
    font-family: monospace;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

#record-status {
    text-align: center;
    margin-top: 12px;
    color: var(--text-secondary);
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 50;
    padding-bottom: env(safe-area-inset-bottom);
}

.nav-item {
    background: none;
    border: none;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    padding: 8px;
    transition: color 0.2s;
}

.nav-item.active {
    color: var(--accent-blue);
}

.nav-item span.material-symbols-rounded {
    font-size: 1.5rem;
}

/* Calendar View */
.calendar-container {
    background-color: var(--surface-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 20px;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    text-align: center;
}

.day-cell {
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    font-size: 0.9rem;
}

.day-cell:hover {
    background-color: var(--surface-highlight);
}

.day-cell.today {
    background-color: var(--surface-highlight);
    color: var(--accent-blue);
    font-weight: bold;
}

.day-cell.selected {
    background-color: var(--accent-blue);
    color: white;
}

.day-cell.has-task::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--accent-red);
    border-radius: 50%;
}

.tasks-list-container h3 {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.task-item {
    background-color: var(--surface-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-left: 4px solid var(--accent-blue);
}

.task-item.completed {
    opacity: 0.6;
    border-left-color: var(--text-secondary);
}

.task-content {
    flex: 1;
}

.task-text {
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.task-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    gap: 8px;
}

.task-checkbox {
    margin-top: 2px;
    cursor: pointer;
}

/* Responsive Layout - Removed fixed mobile width */
@media (min-width: 768px) {
    #app {
        max-width: 100%;
        border: none;
    }

    .notes-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .bottom-nav {
        display: flex;
        justify-content: center;
        gap: 40px;
    }

    .fab-container {
        right: 40px;
        bottom: 40px;
    }
}

/* Top Navigation */
.top-nav {
    height: 60px;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--surface-color);
    backdrop-filter: blur(10px);
    z-index: 50;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.icon-btn:hover {
    background-color: var(--surface-highlight);
}

.icon-btn.danger {
    color: var(--accent-red);
}