/* ========== Reset & Base ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-glow: rgba(99,102,241,.25);
    --bg: #f1f5f9;
    --card: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.1);
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --header-h: 60px;
    --userbar-h: 36px;
    --tabs-h: 44px;
}

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: calc(var(--header-h) + var(--userbar-h) + var(--tabs-h) + var(--safe-top));
    padding-bottom: calc(80px + var(--safe-bottom));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== Header ========== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: calc(var(--header-h) + var(--safe-top));
    padding: var(--safe-top) 16px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #7c3aed 100%);
    color: #fff;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255,255,255,.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s ease;
    text-decoration: none;
}

.nav-btn:active {
    transform: scale(.92);
    background: rgba(255,255,255,.25);
}

.header-date {
    font-size: .95rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    letter-spacing: -.01em;
    line-height: 1.3;
}

.header-date .today-badge {
    display: inline-block;
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    background: rgba(255,255,255,.2);
    backdrop-filter: blur(4px);
    padding: 2px 10px;
    border-radius: 10px;
    margin-top: 2px;
}

/* ========== User Bar ========== */
.user-bar {
    position: fixed;
    top: calc(var(--header-h) + var(--safe-top));
    left: 0;
    right: 0;
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--userbar-h);
    padding: 0 16px;
    background: rgba(30,27,75,.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: rgba(255,255,255,.85);
    font-size: .75rem;
}

.user-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-bar-name {
    font-weight: 600;
    letter-spacing: .02em;
}

.user-bar-admin {
    color: #fbbf24;
    text-decoration: none;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 10px;
    background: rgba(251,191,36,.12);
    font-size: .68rem;
    letter-spacing: .03em;
    text-transform: uppercase;
    transition: background .2s;
}

.user-bar-admin:active {
    background: rgba(251,191,36,.25);
}

.user-bar-logout {
    color: rgba(255,255,255,.55);
    text-decoration: none;
    font-size: .75rem;
    transition: color .2s;
    font-weight: 500;
}

.user-bar-logout:active {
    color: #fff;
}

/* ========== Tabs ========== */
#tabs {
    position: fixed;
    top: calc(var(--header-h) + var(--userbar-h) + var(--safe-top));
    left: 0;
    right: 0;
    z-index: 98;
    display: flex;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0 8px;
}

.tab {
    flex: 1;
    padding: 11px 8px;
    border: none;
    background: none;
    font-size: .82rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2.5px solid transparent;
    transition: all .25s ease;
    letter-spacing: .01em;
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ========== Views ========== */
.view {
    display: none;
    padding: 16px;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp .3s ease;
}

.view.active {
    display: block;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== Activity List ========== */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.activity-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    display: flex;
    gap: 14px;
    cursor: pointer;
    transition: all .2s ease;
    border-left: 4px solid var(--card-color, var(--primary));
    position: relative;
    overflow: hidden;
}

.activity-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--card-color, var(--primary)), transparent);
    opacity: 0;
    transition: opacity .3s;
}

.activity-card:active {
    transform: scale(.98);
    box-shadow: var(--shadow-md);
}

.activity-card:active::before {
    opacity: .04;
}

.activity-time {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 52px;
    font-size: .78rem;
    color: var(--text-muted);
    gap: 2px;
}

.activity-time .time-start {
    font-weight: 700;
    color: var(--text);
    font-size: .82rem;
}

.activity-time .time-sep {
    font-size: .55rem;
    opacity: .5;
}

.activity-body {
    position: relative;
    flex: 1;
    min-width: 0;
}

.activity-body .cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 6px;
}

.activity-body .desc {
    font-size: .88rem;
    line-height: 1.45;
    word-break: break-word;
    color: var(--text);
}

.activity-body .duration {
    font-size: .72rem;
    color: var(--text-light);
    margin-top: 6px;
    font-weight: 500;
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.empty-state p {
    font-size: .9rem;
    line-height: 1.6;
}

/* ========== Skeleton Loading ========== */
.skeleton-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    gap: 14px;
    border-left: 4px solid var(--border);
}

.skeleton-line {
    height: 14px;
    border-radius: 7px;
    background: linear-gradient(90deg, var(--border) 25%, #f1f5f9 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-line.w60 { width: 60%; }
.skeleton-line.w80 { width: 80%; }
.skeleton-line.w40 { width: 40%; }
.skeleton-line.w-full { width: 100%; }

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ========== FAB ========== */
.fab {
    position: fixed;
    bottom: calc(28px + var(--safe-bottom));
    right: 20px;
    width: 58px;
    height: 58px;
    border-radius: 18px;
    border: none;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 6px 20px var(--primary-glow), 0 2px 8px rgba(0,0,0,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s ease;
    z-index: 50;
}

.fab:active {
    transform: scale(.88) rotate(90deg);
    box-shadow: 0 2px 8px var(--primary-glow);
}

/* ========== Modal ========== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeIn .2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: relative;
    background: var(--card);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 24px 24px 0 0;
    padding: 28px 20px calc(24px + var(--safe-bottom));
    animation: slideUp .3s cubic-bezier(.32,.72,0,1);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.modal-handle {
    width: 36px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 0 auto 16px;
}

.modal-content h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -.02em;
}

.modal-content label {
    display: block;
    font-size: .75rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
    margin-top: 16px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.modal-content label:first-of-type {
    margin-top: 0;
}

/* Category Picker */
.category-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 4px;
}

.cat-option {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    border-radius: 20px;
    border: 2px solid var(--border);
    background: var(--card);
    font-size: .78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all .2s ease;
}

.cat-option:active {
    transform: scale(.95);
}

.cat-option.selected {
    border-color: var(--opt-color, var(--primary));
    background: color-mix(in srgb, var(--opt-color, var(--primary)) 10%, white);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--opt-color, var(--primary)) 15%, transparent);
}

/* Time Row */
.time-row {
    display: flex;
    gap: 12px;
}

.time-row > div {
    flex: 1;
}

input[type="time"],
input[type="text"],
input[type="number"],
input[type="password"],
textarea,
.form-select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .92rem;
    font-family: inherit;
    background: var(--bg);
    color: var(--text);
    transition: all .2s ease;
}

input[type="time"]:focus,
input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: #fff;
}

textarea {
    resize: vertical;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.btn {
    flex: 1;
    padding: 13px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all .2s ease;
    letter-spacing: .01em;
}

.btn:active {
    transform: scale(.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: #fff;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:active {
    box-shadow: 0 2px 6px var(--primary-glow);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    box-shadow: 0 4px 12px rgba(239,68,68,.2);
}

/* ========== Summary ========== */
.summary-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.summary-header {
    text-align: center;
    padding: 16px 0 8px;
}

.summary-header .total-hours {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -.03em;
}

.summary-header .total-label {
    font-size: .78rem;
    color: var(--text-light);
    font-weight: 500;
}

.summary-bar-wrap {
    height: 28px;
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    background: var(--border);
    box-shadow: inset 0 1px 3px rgba(0,0,0,.05);
}

.summary-bar-segment {
    height: 100%;
    transition: width .6s cubic-bezier(.32,.72,0,1);
    position: relative;
}

.summary-bar-segment::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,.2) 0%, transparent 100%);
}

.summary-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all .2s ease;
}

.summary-row .cat-icon {
    font-size: 1.4rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--bg);
}

.summary-row .cat-info {
    flex: 1;
}

.summary-row .cat-name {
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: -.01em;
}

.summary-row .cat-count {
    font-size: .72rem;
    color: var(--text-light);
    margin-top: 1px;
}

.summary-row .cat-pct {
    font-size: .72rem;
    font-weight: 600;
    color: var(--text-light);
    min-width: 36px;
    text-align: right;
}

.summary-row .cat-hours {
    font-size: .95rem;
    font-weight: 800;
    min-width: 60px;
    text-align: right;
    letter-spacing: -.02em;
}

.summary-row-empty {
    opacity: .6;
}

.summary-row-empty .cat-hours {
    font-size: .8rem;
    font-weight: 500;
    color: var(--text-light);
}

/* ========== Day Timeline ========== */
.tl-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 4px;
}

.tl-chip {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: 20px;
    background: var(--card);
    box-shadow: var(--shadow);
    font-size: .75rem;
    font-weight: 600;
    border-left: 3px solid var(--chip-color);
}

.tl-chip-icon { font-size: .9rem; }
.tl-chip-name { color: var(--text-muted); }
.tl-chip-dur { color: var(--chip-color); font-weight: 800; }

.tl-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 4px 0;
}

.tl-item {
    display: flex;
    gap: 0;
    min-height: 64px;
}

.tl-time-col {
    width: 48px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2px 0;
    text-align: right;
    padding-right: 10px;
}

.tl-time-start {
    font-size: .72rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}

.tl-time-end {
    font-size: .68rem;
    font-weight: 500;
    color: var(--text-light);
    line-height: 1;
}

.tl-track {
    width: 20px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.tl-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--tl-color, var(--primary));
    border: 2.5px solid var(--card);
    box-shadow: 0 0 0 2px var(--tl-color, var(--primary));
    flex-shrink: 0;
    margin-top: 2px;
    z-index: 1;
}

.tl-line {
    width: 3px;
    flex: 1;
    background: var(--tl-color, var(--primary));
    opacity: .25;
    border-radius: 2px;
    margin-top: 2px;
}

.tl-content {
    flex: 1;
    background: var(--card);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    padding: 10px 14px;
    margin-left: 8px;
    margin-bottom: 12px;
    border-left: 3px solid var(--tl-color, var(--primary));
    min-width: 0;
}

.tl-cat {
    font-size: .78rem;
    font-weight: 700;
    color: var(--tl-color, var(--primary));
    margin-bottom: 3px;
}

.tl-desc {
    font-size: .84rem;
    color: var(--text);
    line-height: 1.4;
    word-break: break-word;
}

.tl-dur {
    font-size: .7rem;
    color: var(--text-light);
    font-weight: 600;
    margin-top: 4px;
}

.tl-gap {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 0;
    margin-left: 48px;
}

.tl-gap span {
    font-size: .68rem;
    font-weight: 600;
    color: var(--text-light);
    background: var(--bg);
    padding: 3px 14px;
    border-radius: 20px;
    border: 1.5px dashed var(--border);
    letter-spacing: .02em;
}

/* ========== Monthly Navigation ========== */
.monthly-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    background: var(--card);
    border-radius: var(--radius);
    padding: 10px 16px;
    box-shadow: var(--shadow);
}

.month-nav-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg);
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s ease;
    color: var(--text);
    -webkit-tap-highlight-color: transparent;
}

.month-nav-btn:active {
    transform: scale(.92);
    background: var(--primary-glow);
    color: var(--primary);
}

.monthly-label {
    font-size: .95rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.01em;
}

/* ========== Toast Notification ========== */
.toast-container {
    position: fixed;
    top: calc(var(--header-h) + var(--safe-top) + 8px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    width: calc(100% - 32px);
    max-width: 400px;
}

.toast {
    background: var(--text);
    color: #fff;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: .85rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toastIn .35s cubic-bezier(.32,.72,0,1);
    pointer-events: auto;
    text-align: center;
}

.toast.toast-success { background: #059669; }
.toast.toast-error { background: var(--danger); }
.toast.toast-out { animation: toastOut .3s ease forwards; }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-20px) scale(.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-20px) scale(.95); }
}

/* ========== Login Page ========== */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    padding-top: 20px;
    min-height: 100vh;
    min-height: 100dvh;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 30%, #4f46e5 60%, #7c3aed 100%);
    position: relative;
    overflow: hidden;
}

.login-body::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(99,102,241,.3);
    border-radius: 50%;
    top: -80px;
    right: -80px;
    filter: blur(60px);
}

.login-body::after {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    background: rgba(124,58,237,.25);
    border-radius: 50%;
    bottom: -60px;
    left: -60px;
    filter: blur(60px);
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 36px 28px;
    box-shadow: 0 25px 60px rgba(0,0,0,.25), 0 0 0 1px rgba(255,255,255,.1);
    animation: fadeInUp .5s ease;
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-header .login-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.login-header h1 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: -.03em;
}

.login-header p {
    font-size: .85rem;
    color: var(--text-muted);
}

.login-error {
    background: #fef2f2;
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: .85rem;
    font-weight: 500;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid #fecaca;
    animation: shake .4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.login-form .form-group {
    margin-bottom: 16px;
}

.login-form label {
    display: block;
    font-size: .75rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.login-btn {
    width: 100%;
    margin-top: 8px;
    padding: 14px;
    font-size: 1rem;
}

/* ========== Admin Page ========== */
.admin-body {
    padding-top: calc(var(--header-h) + var(--safe-top));
}

.admin-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
    animation: fadeInUp .3s ease;
}

.admin-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 16px;
}

.admin-card h2 {
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text);
    letter-spacing: -.02em;
}

.admin-form .form-group {
    margin-bottom: 14px;
}

.admin-form label {
    display: block;
    font-size: .75rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.admin-form .form-row {
    display: flex;
    gap: 12px;
}

.admin-form .form-row .form-group {
    flex: 1;
}

.admin-msg {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
    animation: fadeInUp .3s ease;
}

.admin-msg-success {
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
}

.admin-msg-error {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

.user-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    transition: background .15s;
}

.user-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.user-info .user-name {
    font-size: .9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-info .user-username {
    font-size: .72rem;
    color: var(--text-light);
    margin-top: 2px;
    font-weight: 500;
}

.role-badge {
    font-size: .6rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 10px;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.role-admin {
    background: linear-gradient(135deg, #dbeafe, #ede9fe);
    color: #4f46e5;
}

.role-user {
    background: #f1f5f9;
    color: var(--text-muted);
}

.user-actions {
    display: flex;
    gap: 6px;
}

.inline-form {
    display: inline;
}

.btn-small {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: .9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s ease;
}

.btn-small:active {
    transform: scale(.9);
}

.btn-small.btn-secondary {
    background: var(--bg);
    border: 1px solid var(--border);
}

.btn-small.btn-danger {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

/* ========== Responsive ========== */

/* Mobile-first optimizations */
@media (max-width: 399px) {
    :root {
        --header-h: 52px;
        --userbar-h: 32px;
        --tabs-h: 40px;
    }

    .header-date {
        font-size: .82rem;
    }

    .nav-btn {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 1rem;
    }

    .view {
        padding: 12px;
    }

    .activity-card {
        padding: 12px;
        gap: 10px;
    }

    .activity-time {
        min-width: 44px;
        font-size: .72rem;
    }

    .activity-time .time-start {
        font-size: .76rem;
    }

    .activity-body .desc {
        font-size: .82rem;
    }

    .activity-body .cat-badge {
        font-size: .68rem;
        padding: 2px 8px;
    }

    .summary-header .total-hours {
        font-size: 1.8rem;
    }

    .summary-row {
        padding: 10px 12px;
        gap: 10px;
    }

    .summary-row .cat-icon {
        width: 34px;
        height: 34px;
        font-size: 1.2rem;
        border-radius: 10px;
    }

    .summary-row .cat-name {
        font-size: .8rem;
    }

    .summary-row .cat-pct {
        font-size: .65rem;
        min-width: 30px;
    }

    .summary-row .cat-hours {
        font-size: .85rem;
        min-width: 50px;
    }

    .summary-bar-wrap {
        height: 22px;
        border-radius: 11px;
    }

    .tl-time-col {
        width: 40px;
        padding-right: 6px;
    }

    .tl-time-start { font-size: .68rem; }
    .tl-time-end { font-size: .64rem; }
    .tl-track { width: 16px; }
    .tl-dot { width: 10px; height: 10px; }
    .tl-content { padding: 8px 10px; margin-left: 6px; }
    .tl-cat { font-size: .72rem; }
    .tl-desc { font-size: .78rem; }
    .tl-gap { margin-left: 40px; }
    .tl-chip { padding: 5px 10px; font-size: .7rem; }

    .monthly-nav {
        padding: 8px 12px;
    }

    .month-nav-btn {
        width: 40px;
        height: 40px;
    }

    .monthly-label {
        font-size: .88rem;
    }

    .cat-option {
        padding: 6px 10px;
        font-size: .72rem;
        gap: 4px;
    }

    .category-picker {
        gap: 6px;
    }

    .fab {
        width: 52px;
        height: 52px;
        border-radius: 16px;
        font-size: 1.6rem;
        bottom: calc(20px + var(--safe-bottom));
        right: 16px;
    }

    .tab {
        font-size: .76rem;
        padding: 9px 6px;
    }

    .btn {
        padding: 12px;
        font-size: .85rem;
    }

    .modal-content {
        padding: 20px 16px calc(20px + var(--safe-bottom));
    }

    .modal-content h2 {
        font-size: 1.05rem;
        margin-bottom: 16px;
    }

    .admin-card {
        padding: 18px;
    }
}

/* Standard mobile (400-599px) */
@media (max-width: 599px) {
    .month-nav-btn {
        min-width: 44px;
        min-height: 44px;
    }

    .category-picker {
        max-height: 140px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Desktop modal centering */
@media (min-width: 600px) {
    .modal-content {
        border-radius: var(--radius);
        margin-bottom: 40px;
    }

    .modal {
        align-items: center;
    }
}

/* ========== Swipe Hint ========== */
.swipe-hint {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99,102,241,.08);
    color: var(--primary);
    font-size: 1.2rem;
    z-index: 10;
    pointer-events: none;
    opacity: 0;
    transition: opacity .2s;
    border-radius: 8px;
}

.swipe-hint.left { left: 4px; border-radius: 0 8px 8px 0; }
.swipe-hint.right { right: 4px; border-radius: 8px 0 0 8px; }
.swipe-hint.visible { opacity: 1; }

/* ========== Category Management (Admin) ========== */
.category-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    transition: background .15s;
}

.category-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.category-info .category-name {
    font-size: .9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-info .category-meta {
    font-size: .72rem;
    color: var(--text-light);
    margin-top: 3px;
    font-weight: 500;
}

/* Color Input */
.color-input-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.color-input {
    width: 48px;
    height: 44px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 2px;
    cursor: pointer;
    background: var(--bg);
}

.color-input::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.color-input::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}

.color-hex {
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-muted);
    font-family: monospace;
}

/* Emoji Picker */
.emoji-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.emoji-option {
    width: 42px;
    height: 42px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s ease;
}

.emoji-option:active {
    transform: scale(.9);
}

.emoji-option.selected {
    border-color: var(--primary);
    background: var(--primary-glow);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Admin Modal */
.admin-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-modal.hidden {
    display: none;
}

.admin-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.admin-modal-content {
    position: relative;
    background: var(--card);
    width: calc(100% - 32px);
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp .3s ease;
}

.admin-modal-content h2 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -.02em;
}

.admin-modal-content .form-actions {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}