:root {
    /* Light mode colors - refined */
    --black: #0a0a0a;
    --gray-900: #171717;
    --gray-800: #262626;
    --gray-700: #404040;
    --gray-600: #525252;
    --gray-500: #737373;
    --gray-400: #a3a3a3;
    --gray-300: #d4d4d4;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --gray-50: #fafafa;
    --white: #ffffff;
    --accent: #0a0a0a;
    
    --font-display: 'Manrope', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    
    /* Dark mode colors - softer, more refined */
    --dark-bg: #0f0f0f;
    --dark-surface: #1a1a1a;
    --dark-surface-elevated: #252525;
    --dark-border: #2a2a2a;
    --dark-border-light: #353535;
    --dark-text: #ffffff;
    --dark-text-secondary: #c4c4c4;
    --dark-text-muted: #a0a0a0;
}

/* Dark mode overrides */
body.dark-mode {
    background: var(--dark-bg);
    color: var(--dark-text);
}

body.dark-mode .sidebar {
    background: var(--dark-bg);
    border-right-color: var(--dark-border);
    box-shadow: none;
}

body.dark-mode .sidebar-header {
    border-bottom-color: var(--dark-border);
}

body.dark-mode .logo,
body.dark-mode .week-btn,
body.dark-mode .day-name-input,
body.dark-mode .section-title-input,
body.dark-mode .task-text,
body.dark-mode .page-title,
body.dark-mode .modal-header,
body.dark-mode .notes-title {
    color: var(--dark-text);
}

body.dark-mode .tagline,
body.dark-mode .page-subtitle,
body.dark-mode .nav-label,
body.dark-mode .timer-label,
body.dark-mode .data-label,
body.dark-mode .modal-message {
    color: var(--dark-text-muted);
}

body.dark-mode .week-item:hover .week-btn,
body.dark-mode .week-item.active .week-btn {
    background: transparent;
    color: var(--dark-text);
}

body.dark-mode .add-week-btn,
body.dark-mode .timer-btn,
body.dark-mode .data-btn,
body.dark-mode .icon-btn,
body.dark-mode .week-action-btn,
body.dark-mode .task-delete,
body.dark-mode .task-time,
body.dark-mode .task-estimate {
    border-color: var(--dark-border);
    color: var(--dark-text);
    background: var(--dark-bg);
}

body.dark-mode .add-week-btn:hover,
body.dark-mode .timer-btn:hover,
body.dark-mode .data-btn:hover,
body.dark-mode .icon-btn:hover,
body.dark-mode .week-action-btn:hover {
    background: var(--dark-text);
    color: var(--dark-bg);
    border-color: var(--dark-text);
}

body.dark-mode .task-delete:hover {
    background: var(--dark-text);
    color: var(--dark-bg);
    border-color: var(--dark-text);
}

body.dark-mode .day-card {
    background: var(--dark-bg);
    border-color: var(--dark-border);
    box-shadow: none;
}

body.dark-mode .day-card:hover {
    border-color: var(--dark-border-light);
    box-shadow: none;
}

body.dark-mode .day-card-header {
    border-bottom-color: var(--dark-border);
}

body.dark-mode .work-schedule-badge {
    background: var(--dark-bg);
    color: var(--dark-text);
    border: 1px solid var(--dark-text);
}

body.dark-mode .work-schedule-badge:hover {
    background: var(--dark-text);
    color: var(--dark-bg);
    border-color: var(--dark-text);
}

body.dark-mode .task-item {
    background: var(--dark-bg);
    border-color: var(--dark-border);
}

body.dark-mode .task-item:hover {
    border-color: var(--dark-border-light);
    background: var(--dark-bg);
    box-shadow: none;
}

body.dark-mode .add-section-btn {
    border-color: var(--dark-border);
    color: var(--dark-text-muted);
}

body.dark-mode .add-section-btn:hover {
    background: var(--dark-surface);
    color: var(--dark-text);
}

body.dark-mode .notes-section {
    border-top-color: var(--dark-border);
}

body.dark-mode .modal-content {
    background: var(--dark-bg);
    border-color: var(--dark-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(0, 0, 0, 0.3);
}

body.dark-mode .modal-input,
body.dark-mode .notes-textarea {
    background: var(--dark-bg);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

body.dark-mode .modal-input:focus,
body.dark-mode .notes-textarea:focus {
    border-color: var(--dark-text);
    background: var(--dark-bg);
}

body.dark-mode .modal-btn.secondary {
    background: var(--dark-bg);
    color: var(--dark-text);
    border-color: var(--dark-border);
}

body.dark-mode .modal-btn.secondary:hover {
    background: var(--dark-surface);
    border-color: var(--dark-border-light);
}

body.dark-mode .progress-mini-bar {
    background: var(--white);
}

body.dark-mode .timer-display {
    color: var(--dark-text);
}

body.dark-mode .pomodoro-section,
body.dark-mode .sidebar-footer,
body.dark-mode .sidebar-header {
    border-color: var(--dark-border);
}

body.dark-mode .data-controls {
    border-top-color: var(--dark-border);
}

body.dark-mode .main-content {
    background: var(--dark-bg);
}

body.dark-mode .content-header {
    background: transparent;
}

body.dark-mode .day-card-body {
    background: var(--dark-bg);
}
body.dark-mode .stat-mini-number {
    color: var(--white);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-display);
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-600);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-700);
}

.app-container {
    min-height: 100vh;
    display: flex;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 280px;
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
    box-shadow: 1px 0 3px rgba(0, 0, 0, 0.04);
}

.sidebar-header {
    padding: 40px 30px 30px;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
}

.logo {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--black);
    margin-bottom: 8px;
}

.tagline {
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 400;
}

.theme-toggle {
    position: absolute;
    top: 40px;
    right: 30px;
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-300);
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s var(--ease-out);
}

.theme-toggle:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

body.dark-mode .theme-toggle {
    border-color: var(--dark-border);
}

body.dark-mode .theme-toggle:hover {
    background: var(--dark-surface-elevated);
}

.theme-icon {
    font-size: 18px;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-section {
    margin-bottom: 30px;
}

.nav-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    padding: 0 30px 12px;
}

.week-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    padding-right: 10px;
}

.week-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--black);
    transform: scaleY(0);
    transition: transform 0.2s var(--ease-out);
}

.week-item.active::before {
    transform: scaleY(1);
}

.week-btn {
    display: block;
    flex: 1;
    padding: 12px 30px;
    border: none;
    background: transparent;
    text-align: left;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
}

.week-item:hover .week-btn,
.week-item.active .week-btn {
    color: var(--black);
    background: transparent;
}

.week-item.active .week-btn {
    font-weight: 600;
}

.week-actions {
    display: flex;
    gap: 4px;
    padding-right: 8px;
}

.week-action-btn {
    padding: 6px 12px;
    border: 1px solid var(--gray-300);
    background: transparent;
    border-radius: 6px;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    font-size: 12px;
    font-family: var(--font-mono);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.week-action-btn:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.week-action-btn.delete:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
}

body.dark-mode .week-action-btn {
    border-color: var(--dark-border);
    background: transparent;
    color: var(--dark-text);
}

body.dark-mode .week-action-btn:hover {
    background: var(--dark-text);
    color: var(--dark-bg);
    border-color: var(--dark-text);
}

.add-week-btn {
    margin: 0 30px;
    padding: 12px 20px;
    border: 1px solid var(--gray-300);
    background: transparent;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--black);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
}

.add-week-btn:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

/* ===== POMODORO TIMER ===== */
.pomodoro-section {
    padding: 20px 30px;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.timer-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.pomodoro-timer {
    text-align: center;
}

.timer-display {
    font-family: var(--font-mono);
    font-size: 36px;
    font-weight: 600;
    color: var(--black);
    margin: 10px 0;
    letter-spacing: 2px;
}

.timer-mode {
    font-size: 11px;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.timer-controls {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.timer-btn {
    padding: 8px 16px;
    border: 1px solid var(--gray-300);
    background: transparent;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--black);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
}

.timer-btn:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.timer-btn.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.timer-settings-btn {
    width: 100%;
    padding: 10px;
    margin-top: 12px;
    border: 1px solid var(--gray-300);
    background: transparent;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--black);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
}

.timer-settings-btn:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

body.dark-mode .timer-settings-btn {
    border-color: var(--dark-border);
    color: var(--dark-text);
}

body.dark-mode .timer-settings-btn:hover {
    background: var(--dark-surface-elevated);
}

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

.setting-group:last-of-type {
    margin-bottom: 0;
}

.setting-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-mono);
}

body.dark-mode .setting-label {
    color: var(--dark-text-muted);
}

/* ===== SIDEBAR FOOTER ===== */
.sidebar-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--gray-200);
}

.progress-mini {
    margin-bottom: 12px;
}

.progress-mini-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
}

.progress-mini-bar {
    height: 4px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 2px;
    overflow: hidden;
}

.progress-mini-fill {
    height: 100%;
    background: var(--black);
    transition: width 0.3s var(--ease-out);
}

.stats-mini {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat-mini {
    text-align: center;
}

.stat-mini-number {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
}


.stat-mini-label {
    font-size: 10px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* ===== DATA CONTROLS ===== */
.data-controls {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.data-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.data-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.data-btn {
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    background: transparent;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--black);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.data-btn:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.data-icon {
    font-size: 14px;
    font-weight: 700;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 40px 60px;
    max-width: 1400px;
}

.content-header {
    margin-bottom: 40px;
    animation: fadeInUp 0.6s var(--ease-out);
}

.page-title {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--black);
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 400;
}

/* ===== DAY CARDS ===== */
.days-grid {
    display: grid;
    gap: 30px;
}

.day-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s var(--ease-out);
    animation: fadeInUp 0.6s var(--ease-out) backwards;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.02);
}

.day-card:nth-child(1) { animation-delay: 0.05s; }
.day-card:nth-child(2) { animation-delay: 0.1s; }
.day-card:nth-child(3) { animation-delay: 0.15s; }
.day-card:nth-child(4) { animation-delay: 0.2s; }
.day-card:nth-child(5) { animation-delay: 0.25s; }

.day-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
    transform: translateY(-2px);
    border-color: var(--gray-300);
}

.day-card.off-day {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
}

.day-card-header {
    padding: 30px 30px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 15px;
}

.day-name-group {
    flex: 1;
    min-width: 200px;
}

.day-name-input {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    border: none;
    background: transparent;
    width: 100%;
    padding: 0;
    font-family: var(--font-display);
    letter-spacing: -0.5px;
}

.day-name-input:focus {
    outline: 2px solid var(--black);
    outline-offset: 4px;
    border-radius: 4px;
}

.work-schedule-badge {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--black);
    background: var(--white);
    padding: 10px 18px;
    border-radius: 6px;
    border: 1px solid var(--gray-300);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    white-space: nowrap;
}

.work-schedule-badge:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.day-card-body {
    padding: 20px 30px 30px;
}

/* ===== SECTIONS ===== */
.section {
    margin-bottom: 30px;
}

.section:last-child {
    margin-bottom: 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 15px;
}

.section-title-input {
    font-size: 16px;
    font-weight: 600;
    color: var(--black);
    border: none;
    background: transparent;
    flex: 1;
    padding: 4px 0;
    font-family: var(--font-display);
}

.section-title-input:focus {
    outline: 2px solid var(--black);
    outline-offset: 4px;
    border-radius: 4px;
}

.section-actions {
    display: flex;
    gap: 8px;
}

.icon-btn {
    padding: 6px 12px;
    border: 1px solid var(--gray-300);
    background: transparent;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--black);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
}

.icon-btn:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.icon-btn.danger:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
}

/* ===== TASKS ===== */
.tasks-list {
    display: grid;
    gap: 8px;
}

.task-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 16px 16px 12px;
    background: var(--gray-50);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    transition: all 0.2s var(--ease-out);
}

.task-item:hover {
    border-color: var(--gray-300);
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.task-drag-handle {
    color: var(--gray-600);
    cursor: grab;
    font-size: 14px;
    user-select: none;
    padding: 0;
    margin: 0;
    line-height: 1;
    transition: color 0.2s var(--ease-out);
    flex-shrink: 0;
    background: transparent;
    border: none;
    display: inline-block;
}

.task-drag-handle:hover {
    color: var(--black);
}

.task-drag-handle:active {
    cursor: grabbing;
}

.task-ghost {
    opacity: 0.4;
}

.task-dragging {
    opacity: 0.8;
    transform: rotate(2deg);
}

body.dark-mode .task-drag-handle {
    color: var(--dark-text);
}

body.dark-mode .task-drag-handle:hover {
    color: var(--white);
}

.task-item.completed {
    opacity: 0.5;
}

.task-item.completed .task-text {
    text-decoration: line-through;
}

.task-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--black);
}

.task-text {
    flex: 1;
    font-size: 14px;
    color: var(--black);
    border: none;
    background: transparent;
    font-family: var(--font-display);
    resize: none;
    line-height: 1.6;
    padding: 0;
    overflow: hidden;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

.task-text::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

.task-text:not(:focus):empty {
    caret-color: transparent;
}

.task-text:focus {
    outline: 2px solid var(--black);
    outline-offset: 4px;
    border-radius: 4px;
}

.task-estimate {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    color: var(--gray-500);
    background: var(--white);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--gray-300);
    flex-shrink: 0;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    white-space: nowrap;
}

.task-estimate:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--black);
}

.task-estimate input {
    background: transparent;
    border: none;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    width: 50px;
    text-align: center;
}

.task-estimate input:focus {
    outline: none;
}

.task-time {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-600);
    background: var(--white);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--gray-300);
    flex-shrink: 0;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
}

.task-time:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.task-time input {
    background: transparent;
    border: none;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    width: 65px;
    text-align: center;
}

.task-time input:focus {
    outline: none;
}

.task-delete {
    width: 28px;
    height: 28px;
    border: 1px solid var(--gray-300);
    background: transparent;
    border-radius: 6px;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.task-delete:hover {
    background: var(--gray-800);
    color: var(--white);
    border-color: var(--gray-800);
}

.add-section-btn {
    width: 100%;
    padding: 16px;
    border: 1px dashed var(--gray-300);
    background: transparent;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    margin-top: 20px;
}

.add-section-btn:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--black);
}

/* ===== NOTES SECTION ===== */
.notes-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.notes-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.notes-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
    font-family: var(--font-display);
}

.notes-textarea {
    width: 100%;
    min-height: 80px;
    padding: 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 13px;
    font-family: var(--font-display);
    color: var(--black);
    background: var(--gray-100);
    resize: vertical;
    transition: all 0.2s var(--ease-out);
    line-height: 1.6;
}

.notes-textarea:focus {
    outline: none;
    border-color: var(--black);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(10, 10, 10, 0.1);
}

.notes-textarea::placeholder {
    color: var(--gray-400);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s var(--ease-out);
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: scale(0.95);
    transition: transform 0.3s var(--ease-out);
    border: 1px solid var(--gray-200);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.modal-message {
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 24px;
    line-height: 1.6;
}

.confirm-message {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 24px;
    line-height: 1.6;
}

.modal-input {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: var(--font-display);
    color: var(--black);
    background: var(--white);
    transition: all 0.2s var(--ease-out);
}

.modal-input:focus {
    outline: none;
    border-color: var(--black);
    box-shadow: 0 0 0 3px rgba(10, 10, 10, 0.1);
}

.modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.modal-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
}

.modal-btn.primary {
    background: var(--black);
    color: var(--white);
}

.modal-btn.primary:hover {
    background: var(--gray-900);
}

.modal-btn.primary.danger {
    background: var(--gray-800);
}

.modal-btn.primary.danger:hover {
    background: var(--black);
}

.modal-btn.secondary {
    background: var(--gray-200);
    color: var(--black);
}

.modal-btn.secondary:hover {
    background: var(--gray-300);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    background: var(--black);
    color: var(--white);
    padding: 16px 24px;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    pointer-events: auto;
    animation: toastIn 0.3s var(--ease-out);
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 400px;
}

.toast.success {
    background: var(--black);
}

.toast.error {
    background: var(--gray-800);
}

.toast.warning {
    background: var(--gray-700);
}

.toast-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
}

.toast.removing {
    animation: toastOut 0.3s var(--ease-out) forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s var(--ease-out);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 30px 20px;
    }

    .page-title {
        font-size: 32px;
    }

    .day-card-header {
        padding: 20px 20px 15px;
    }

    .day-card-body {
        padding: 15px 20px 20px;
    }
}

@media (max-width: 640px) {
    .stats-mini {
        grid-template-columns: 1fr;
    }

    .day-name-input {
        font-size: 20px;
    }

    .task-item {
        flex-wrap: wrap;
    }
}

/* ===== HELP BUTTON ===== */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.help-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--gray-300);
    background: var(--white);
    color: var(--black);
    font-family: var(--font-mono);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    flex-shrink: 0;
}

.help-btn:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
    transform: scale(1.05);
}

body.dark-mode .help-btn {
    background: var(--dark-bg);
    border-color: var(--dark-text);
    color: var(--dark-text);
}

body.dark-mode .help-btn:hover {
    background: var(--dark-text);
    color: var(--dark-bg);
}

/* ===== KEYBOARD SHORTCUTS MODAL ===== */
.shortcut-section {
    margin-bottom: 30px;
}

.shortcut-section:last-child {
    margin-bottom: 0;
}

.shortcut-category {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: 15px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

.shortcut-item:last-child {
    border-bottom: none;
}

kbd {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 12px;
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    box-shadow: 0 2px 0 var(--gray-200);
    min-width: 120px;
    text-align: center;
    color: var(--black);
}

.shortcut-item span {
    flex: 1;
    font-size: 14px;
    color: var(--gray-700);
}

body.dark-mode .shortcut-category {
    color: var(--gray-400);
}

body.dark-mode .shortcut-item {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode kbd {
    background: var(--dark-bg);
    border-color: var(--dark-text);
    color: var(--dark-text);
    box-shadow: 0 2px 0 rgba(255, 255, 255, 0.2);
}

body.dark-mode .shortcut-item span {
    color: var(--dark-text);
}