:root {
    --bg: #eef5fb;
    --bg-gradient: linear-gradient(180deg, #e9f6fe 0%, #eef5fb 55%, #e7f0f9 100%);
    --surface: #ffffff;
    --surface-hover: #f2f9fe;
    --text: #25384c;
    --text-secondary: #5f7a92;
    --border: #d9e7f2;
    --primary: #22a2f0;
    --primary-hover: #1a95ea;
    --primary-light: rgba(34, 162, 240, 0.12);
    --primary-gradient: linear-gradient(135deg, #31c7f8 0%, #1a95ea 100%);
    --success: #00b894;
    --danger: #e17055;
    --shadow: 0 2px 12px rgba(26, 149, 234, 0.1);
    --shadow-lg: 0 8px 30px rgba(26, 149, 234, 0.16);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;
}

[data-theme="dark"] {
    --bg: #101d33;
    --bg-gradient: linear-gradient(180deg, #13233d 0%, #101d33 55%, #0c1728 100%);
    --surface: #1a2b47;
    --surface-hover: #22385a;
    --text: #e9f2fb;
    --text-secondary: #9db2c9;
    --border: #2b4468;
    --primary-light: rgba(34, 162, 240, 0.22);
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji';
    background: var(--bg);
    background-image: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    transition: background var(--transition), color var(--transition);
}

button,
input,
select,
textarea {
    font-family: inherit;
}

body.modal-open {
    overflow: hidden;
}

.app {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #31c7f8 0%, #1a95ea 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.date-display {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(26, 149, 234, 0.25);
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3ecfff 0%, #229ff2 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(26, 149, 234, 0.35);
}

.btn-full {
    width: 100%;
    padding: 14px;
}

.btn-icon {
    background: var(--surface);
    border: 1px solid var(--border);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}

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

.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background var(--transition);
}

.btn-close:hover {
    background: var(--surface-hover);
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-value {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
    display: block;
}

/* Main Layout */
.main {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

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

.section-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.section-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    margin-bottom: 24px;
}

.tab {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.tab:hover {
    color: var(--text);
}

.tab.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(34, 162, 240, 0.3);
}

/* Habit Card */
.habits-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.habit-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.habit-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--habit-color, var(--primary));
}

.habit-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.habit-card.completed {
    background: rgba(0, 184, 148, 0.07);
}

.habit-card.completed .habit-name {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.habit-emoji {
    font-size: 2.2rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    line-height: 1;
}

.habit-info {
    flex: 1;
    min-width: 0;
}

.habit-name-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
}

.habit-name {
    font-weight: 600;
    font-size: 1rem;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.habit-pct {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 999px;
    padding: 2px 8px;
    flex-shrink: 0;
}

.habit-progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    width: 100%;
}

.habit-progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s ease;
}

.habit-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.habit-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-check {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: transparent;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.btn-check:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.btn-check.checked {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.btn-check:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-check:disabled:hover {
    border-color: var(--border);
    background: transparent;
}

.btn-delete {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
    opacity: 0;
}

.habit-card:hover .btn-delete {
    opacity: 1;
}

.btn-delete:hover {
    color: var(--danger);
    background: rgba(225, 112, 85, 0.1);
}

.btn-edit {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.05rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
    opacity: 0;
}

.habit-card:hover .btn-edit {
    opacity: 1;
}

.btn-edit:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.btn-move-to-plan,
.btn-extract-plan,
.btn-edit-plan-item {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.05rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
    opacity: 0;
}

.habit-card:hover .btn-move-to-plan,
.habit-card:hover .btn-extract-plan,
.habit-card:hover .btn-edit-plan-item {
    opacity: 1;
}

.btn-move-to-plan:hover,
.btn-extract-plan:hover,
.btn-edit-plan-item:hover {
    color: var(--primary);
    background: var(--primary-light);
}

@media (hover: none) {
    .btn-delete,
    .btn-edit,
    .btn-move-to-plan,
    .btn-extract-plan,
    .btn-edit-plan-item {
        opacity: 1;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 88px;
    height: 88px;
    margin: 0 auto 12px;
    padding: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.35);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.empty-icon:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.35);
    background: var(--surface-hover);
}

.empty-icon:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.plan-empty {
    padding: 28px 20px;
}

.stat-card-clickable {
    cursor: pointer;
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease, border-color 0.25s ease;
}

.stat-card-clickable:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.stat-card-clickable:active {
    transform: translateY(0);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 50vh;
    overflow-y: auto;
}

.history-empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.history-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--surface-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.history-emoji {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.history-info {
    flex: 1;
    min-width: 0;
}

.history-name {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 1px;
}

.history-del {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
    flex-shrink: 0;
}

.history-del:hover {
    color: var(--danger);
    background: rgba(225, 112, 85, 0.1);
}

/* Dev-only: сброс данных (не попадёт в релиз) */
.dev-clear-btn {
    position: fixed;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 8px);
    right: 8px;
    z-index: 40;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 4px 8px;
    border: 1px solid rgba(225, 112, 85, 0.45);
    background: rgba(225, 112, 85, 0.12);
    color: var(--danger);
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0.3;
    transition: opacity var(--transition), transform var(--transition), background var(--transition);
}

.dev-clear-btn:hover {
    opacity: 1;
    transform: scale(1.05);
    background: rgba(225, 112, 85, 0.2);
}

/* Задача без периода */
.no-period-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}

.no-period-toggle:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.no-period-toggle input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.no-period-toggle span {
    font-size: 0.9rem;
    color: var(--text);
}

.no-period-toggle small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

#periodGroup.no-period-active .period-display,
#periodGroup.no-period-active .period-slider,
#periodGroup.no-period-active .period-presets,
#periodGroup.no-period-active .plan-period-custom {
    display: none;
}

/* Plans */
.plans-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 16px;
}

.plan-add-btn {
    margin-top: 4px;
}

.plan-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.plan-card:hover {
    box-shadow: var(--shadow);
}

.plan-card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px 12px;
}

.plan-card-title {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-card-emoji {
    font-size: 1.8rem;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    line-height: 1;
}

.plan-card-name {
    font-weight: 700;
    font-size: 1.05rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plan-card-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.plan-card-actions .btn-edit,
.plan-card-actions .btn-delete {
    opacity: 1;
}

.plan-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px 14px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.plan-card-progress {
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    min-width: 60px;
}

.plan-card-progress-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--habit-color, var(--primary));
    transition: width 0.4s ease;
}

.plan-card {
    position: relative;
}

.plan-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--habit-color, var(--primary));
}

/* Plan group in the tasks list */
.plan-group {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--habit-color, var(--primary));
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.plan-group:hover {
    box-shadow: var(--shadow);
}

.plan-group-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px 10px;
}

.plan-group-emoji {
    font-size: 1.6rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--habit-color, var(--primary));
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    line-height: 1;
}

.plan-group-info {
    flex: 1;
    min-width: 0;
}

.plan-group-name-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.plan-group-name {
    font-weight: 700;
    font-size: 1.02rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plan-group-meta {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.plan-group-items .habit-card {
    border: none;
    border-radius: 0;
    border-top: 1px solid var(--border);
    cursor: default;
}

.plan-group-items .habit-card::before {
    width: 3px;
    background: var(--habit-color, var(--primary));
}

.plan-group-items .habit-card:hover {
    transform: none;
    box-shadow: none;
}

.plan-group-items .habit-card.completed {
    background: rgba(0, 184, 148, 0.07);
}

/* Move-to-plan selection mode */
.move-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    background: rgba(10, 12, 18, 0.45);
    opacity: 0;
    transition: opacity 0.35s ease;    cursor: pointer;
    -webkit-backdrop-filter: blur(3px);
    backdrop-filter: blur(3px);
}

.move-overlay.active {
    opacity: 1;
}

.move-hint {
    position: fixed;
    top: calc(env(safe-area-inset-top, 0px) + 18px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 10px 22px;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 62;
    white-space: nowrap;
    max-width: 92vw;
    overflow: hidden;
    text-overflow: ellipsis;
}

.move-overlay.active .move-hint {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.move-hint-text {
    display: block;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text);
}

.move-hint-cancel {
    display: block;
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

body.move-mode .plan-group {
    position: relative;
    z-index: 61;
    transform-origin: center;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

body.move-mode .plan-group:not(.chosen) {
    box-shadow: 0 0 0 2px var(--habit-color, var(--primary)), 0 12px 36px rgba(0, 0, 0, 0.35);
    transform: translateY(-3px) scale(1.012);
    cursor: pointer;
}

body.move-mode .plan-group:not(.chosen):hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 0 0 3px var(--habit-color, var(--primary)), 0 20px 48px rgba(0, 0, 0, 0.4);
}

body.move-mode .plan-group.chosen {
    animation: planChosen 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
    cursor: default;
}

body.move-mode .habit-card.leaving {
    opacity: 0.15;
    transform: translateX(-26px) scale(0.96);
    transition: opacity 0.38s ease, transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

.plan-group.just-chosen {
    animation: planChosen 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes planChosen {
    0% {
        transform: translateY(-3px) scale(1.012);
    }
    35% {
        transform: scale(1.05);
        box-shadow: 0 0 0 4px var(--habit-color, var(--primary)), 0 18px 44px rgba(0, 0, 0, 0.38);
    }
    100% {
        transform: translateY(-3px) scale(1.012);
    }
}

/* Plan grid group in "План на период" */
.plan-grid-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--habit-color, var(--primary));
    border-radius: var(--radius);
}

.plan-grid-group .plan-row {
    border: none;
    border-top: 1px dashed var(--border);
    border-radius: 0;
    padding: 10px 4px;
    background: transparent;
}

.plan-grid-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 2px 4px 4px;
    font-weight: 700;
    font-size: 0.9rem;
}

.plan-items {
    border-top: 1px solid var(--border);
    padding: 4px 0;
}

.plan-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    transition: background var(--transition);
}

.plan-item:hover {
    background: var(--surface-hover);
}

.plan-item-emoji {
    font-size: 1.5rem;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    line-height: 1;
}

.plan-item-info {
    flex: 1;
    min-width: 0;
}

.plan-item-name {
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plan-item.done .plan-item-name {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.plan-item-count {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.plan-item-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.plan-item-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.plan-item-btn:hover {
    background: var(--surface-hover);
    color: var(--text);
    opacity: 1;
}

.plan-item-check {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: transparent;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}

.plan-item-check:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.plan-item-check.checked {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.plan-item-remove {
    color: var(--danger);
}

.plan-item-remove:hover {
    background: rgba(225, 112, 85, 0.1);
    color: var(--danger);
}

.plan-add-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 12px;
    border: none;
    border-top: 1px solid var(--border);
    background: transparent;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background var(--transition);
}

.plan-add-item:hover {
    background: var(--surface-hover);
}

.plan-period-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.plan-period-custom input[type="number"] {
    width: 90px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--bg);
    color: var(--text);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.plan-period-custom input[type="number"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(34, 162, 240, 0.1);
}

@media (hover: none) {
    .plan-item-btn {
        opacity: 1;
    }
}

/* Plan */
.plan {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.plan-row {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
}

.plan-label {
    width: 150px;
    flex-shrink: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.plan-name {
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plan-dates {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.plan-section {
    margin-top: 20px;
}

.plan-cells {
    display: flex;
    gap: 4px;
    flex: 1;
    overflow-x: auto;
    padding-bottom: 4px;
}

.plan-cells::-webkit-scrollbar {
    height: 6px;
}

.plan-cells::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.plan-cell {
    min-width: 26px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-secondary);
    font-size: 0.68rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: transform var(--transition);
}

.plan-cell:hover {
    transform: scale(1.15);
}

.plan-cell.done {
    color: #fff;
    border-color: transparent;
    font-weight: 700;
}

.plan-cell.partial {
    color: var(--text);
    border-color: transparent;
}

.plan-cell.today {
    box-shadow: 0 0 0 2px var(--primary);
}

.plan-cell.future {
    border-style: dashed;
}

.plan-cell.week-end {
    margin-right: 8px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease, backdrop-filter 0.3s ease;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    overflow-y: auto;
    padding: 16px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 28px;
    width: 90%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    transform: translateY(26px) scale(0.96);
    opacity: 0;
    transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    overflow-y: auto;
    margin: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.modal-overlay .modal-header,
.modal-overlay .modal > form .form-group,
.modal-overlay .modal > form > .btn-primary {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.28s ease, transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.modal-overlay.active .modal-header,
.modal-overlay.active .modal > form .form-group,
.modal-overlay.active .modal > form > .btn-primary {
    opacity: 1;
    transform: none;
}

.modal-overlay.active .modal-header { transition-delay: 0.06s; }
.modal-overlay.active .modal > form .form-group:nth-child(1) { transition-delay: 0.1s; }
.modal-overlay.active .modal > form .form-group:nth-child(2) { transition-delay: 0.15s; }
.modal-overlay.active .modal > form .form-group:nth-child(3) { transition-delay: 0.2s; }
.modal-overlay.active .modal > form .form-group:nth-child(4) { transition-delay: 0.25s; }
.modal-overlay.active .modal > form .form-group:nth-child(5) { transition-delay: 0.3s; }
.modal-overlay.active .modal > form .form-group:nth-child(6) { transition-delay: 0.35s; }
.modal-overlay.active .modal > form .form-group:nth-child(7) { transition-delay: 0.4s; }
.modal-overlay.active .modal > form > .btn-primary { transition-delay: 0.42s; }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="number"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--bg);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(34, 162, 240, 0.1);
}

.emoji-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.emoji-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 8px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    justify-content: center;
}

.emoji-btn,
.p-emoji-btn,
.i-emoji-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    padding: 0;
    flex-shrink: 0;
}

.emoji-btn:hover,
.p-emoji-btn:hover,
.i-emoji-btn:hover {
    border-color: var(--primary);
    transform: scale(1.12);
    box-shadow: 0 4px 12px rgba(34, 162, 240, 0.25);
}

.emoji-btn.selected,
.p-emoji-btn.selected,
.i-emoji-btn.selected {
    border-color: var(--primary);
    background: var(--primary-light);
    box-shadow: 0 4px 16px rgba(34, 162, 240, 0.35);
    transform: scale(1.08);
}

.emoji-input {
    width: 100%;
    height: 56px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 1.4rem;
    text-align: center;
    outline: none;
    transition: all var(--transition);
    appearance: none;
    -webkit-appearance: none;
    line-height: 1;
    padding: 0;
    cursor: text;
}

.emoji-input:hover {
    border-color: var(--primary);
    border-style: solid;
}

.emoji-input:focus {
    border-color: var(--primary);
    border-style: solid;
    box-shadow: 0 0 0 3px rgba(34, 162, 240, 0.1);
}

.emoji-input::placeholder {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.color-picker {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.color-btn,
.p-color-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}

.color-btn:hover,
.p-color-btn:hover {
    transform: scale(1.15);
    border-color: var(--border);
}

.color-btn.selected,
.p-color-btn.selected {
    border-color: var(--text);
    box-shadow: 0 0 0 2px var(--surface);
}

.period-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.period-btn {
    border: 2px solid var(--border);
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition);
}

.period-btn:hover {
    border-color: var(--primary);
}

.period-btn.selected {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

/* Новые стили для слайдера периода */
.period-display {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 14px;
    padding: 12px 14px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary);
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition);
}

.period-display:hover {
    box-shadow: 0 2px 10px rgba(34, 162, 240, 0.2);
}

.period-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.period-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-left: auto;
}

.period-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    margin-bottom: 16px;
    cursor: pointer;
}

.period-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(34, 162, 240, 0.3);
    transition: all var(--transition);
}

.period-slider::-webkit-slider-thumb:hover {
    width: 26px;
    height: 26px;
    box-shadow: 0 4px 12px rgba(34, 162, 240, 0.4);
}

.period-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(34, 162, 240, 0.3);
    transition: all var(--transition);
}

.period-slider::-moz-range-thumb:hover {
    width: 26px;
    height: 26px;
    box-shadow: 0 4px 12px rgba(34, 162, 240, 0.4);
}

.period-slider::-moz-range-track {
    background: transparent;
    border: none;
}

.period-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.preset-btn {
    flex: 1;
    min-width: 56px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition);
}

.preset-btn:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

.preset-btn[data-selected="true"] {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(34, 162, 240, 0.15);
}

/* Окно ручного ввода периода */
.period-input-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1300;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.period-input-overlay.active {
    opacity: 1;
    visibility: visible;
}

.period-input-box {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    width: 90%;
    max-width: 340px;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: transform var(--transition);
}

.period-input-overlay.active .period-input-box {
    transform: translateY(0);
}

.period-input-box h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.period-input-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.period-input-field {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--bg);
    color: var(--text);
    outline: none;
    margin-bottom: 10px;
}

.period-input-field:focus {
    border-color: var(--primary);
}

.period-input-result {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    min-height: 18px;
}

/* Responsive */
@media (max-width: 600px) {
    .app {
        padding: 14px;
    }

    .header h1 {
        font-size: 1.3rem;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-value {
        font-size: 1.3rem;
    }

    .habit-card {
        padding: 14px;
    }

    .habit-emoji {
        font-size: 1.4rem;
        width: 38px;
        height: 38px;
    }

    .plan-label {
        width: 100px;
    }

    .plan-cell {
        min-width: 24px;
        height: 24px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.habit-card {
    animation: fadeInUp 0.3s ease forwards;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.btn-check.checked {
    animation: pulse 0.3s ease;
}

/* Form error */
.form-error {
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 6px;
}

/* Confirm dialog */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1200;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    overflow-y: auto;
    padding: 16px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
}

.confirm-overlay.active {
    opacity: 1;
    visibility: visible;
}

.confirm-box {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    width: 90%;
    max-width: 340px;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: transform var(--transition);
}

.confirm-overlay.active .confirm-box {
    transform: translateY(0);
}

.confirm-text {
    font-size: 0.95rem;
    line-height: 1.45;
    margin-bottom: 20px;
}

.confirm-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.btn-cancel,
.btn-danger {
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background var(--transition);
}

.btn-cancel {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-cancel:hover {
    background: var(--surface-hover);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #c95d40;
}

/* Toast */
#toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translate(-50%, 20px);
    background: var(--text);
    color: var(--bg);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    z-index: 1100;
}

#toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* Time picker (reminder) */
#reminderDisplay {
    background: var(--surface);
    border: 1px solid var(--border);
}

#reminderDisplay .period-value {
    color: var(--text);
}

#reminderDisplay .period-label {
    color: var(--text-secondary);
}

.time-body {
    padding: 4px 0 8px;
}

.time-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 10px;
}

.time-preset {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--surface-hover);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.time-preset.selected {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.time-wheel {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    position: relative;
    margin: 12px 0 16px;
}

.time-wheel::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: calc(100% - 2px);
    height: 44px;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
    background: var(--primary-light);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.wheel-col {
    width: 84px;
    height: 176px;
    padding: 66px 0;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
    mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}

.wheel-col::-webkit-scrollbar {
    display: none;
}

.wheel-item {
    height: 44px;
    line-height: 44px;
    text-align: center;
    font-size: 1.05rem;
    font-variant-numeric: tabular-nums;
    color: var(--text-secondary);
    scroll-snap-align: center;
    transition: color 0.15s ease, font-size 0.15s ease;
}

.wheel-item.selected {
    color: var(--text);
    font-size: 1.25rem;
    font-weight: 700;
}

.wheel-colon {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.time-manual {
    display: flex;
    gap: 10px;
    align-items: center;
}

.time-manual input {
    flex: 1;
    min-width: 0;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
    background: var(--surface);
    color: var(--text);
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 16px;
}

/* Focus styles for keyboard users */
.btn-primary:focus-visible,
.btn-icon:focus-visible,
.btn-check:focus-visible,
.btn-edit:focus-visible,
.btn-delete:focus-visible,
.btn-close:focus-visible,
.emoji-btn:focus-visible,
.color-btn:focus-visible,
.period-btn:focus-visible,
.btn-cancel:focus-visible,
.btn-danger:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}