/* ============================================================
   ✨ GHARMANAGER PRO — PREMIUM UI SYSTEM v3.0
   Next-Level Design: Glassmorphism + Neumorphism Hybrid
   Smooth Animations · iOS Feel · Pro Typography
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Caveat:wght@500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ============================================================
   1. CSS CUSTOM PROPERTIES — DESIGN TOKENS
   ============================================================ */
:root {
    /* Core Colors */
    --bg-color:       #f0f4ff;
    --paper-bg:       #ffffff;
    --text-main:      #0f172a;
    --text-muted:     #64748b;
    --line-color:     #e8edf8;
    --ink-blue:       #2563eb;
    --ink-red:        #ef4444;
    --btn-shadow:     #1d4ed8;
    --shadow-color:   rgba(37, 99, 235, 0.12);

    /* Extended Palette */
    --green:          #10b981;
    --amber:          #f59e0b;
    --purple:         #8b5cf6;
    --pink:           #ec4899;
    --teal:           #0891b2;

    /* Glassmorphism */
    --glass-bg:       rgba(255,255,255,0.72);
    --glass-border:   rgba(255,255,255,0.5);
    --glass-blur:     20px;

    /* Shadows — Layered */
    --shadow-xs:      0 1px 3px rgba(15,23,42,0.06);
    --shadow-sm:      0 4px 12px rgba(15,23,42,0.08);
    --shadow-md:      0 8px 24px rgba(15,23,42,0.10);
    --shadow-lg:      0 16px 40px rgba(15,23,42,0.12);
    --shadow-ink:     0 8px 24px var(--shadow-color);

    /* Radii */
    --radius-sm:      10px;
    --radius-md:      16px;
    --radius-lg:      20px;
    --radius-xl:      28px;
    --radius-pill:    999px;

    /* Transitions */
    --ease-bounce:    cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth:    cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring:    cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --dur-fast:       0.18s;
    --dur-normal:     0.28s;
    --dur-slow:       0.45s;

    /* Typography Scale */
    --font-body:      'Nunito', sans-serif;
    --font-display:   'Plus Jakarta Sans', sans-serif;
    --font-cursive:   'Caveat', cursive;
}

/* ── NIGHT MODE ─────────────────────────────────────────── */
[data-theme="night"] {
    --bg-color:       #070d1a;
    --paper-bg:       #111827;
    --text-main:      #f1f5f9;
    --text-muted:     #94a3b8;
    --line-color:     #1e2d45;
    --ink-blue:       #60a5fa;
    --ink-red:        #f87171;
    --btn-shadow:     #1e3a8a;
    --shadow-color:   rgba(96,165,250,0.18);
    --glass-bg:       rgba(17,24,39,0.8);
    --glass-border:   rgba(255,255,255,0.08);
}

/* ── NATURE THEME ──────────────────────────────────────── */
[data-theme="nature"] {
    --bg-color:       #ecfdf5;
    --paper-bg:       #f0fdf4;
    --text-main:      #052e16;
    --text-muted:     #166534;
    --line-color:     #d1fae5;
    --ink-blue:       #059669;
    --btn-shadow:     #065f46;
    --shadow-color:   rgba(5,150,105,0.15);
}

/* ── SUNSET / PURPLE THEME ─────────────────────────────── */
[data-theme="sunset"] {
    --bg-color:       #fdf4ff;
    --paper-bg:       #fdf8ff;
    --text-main:      #2e1065;
    --text-muted:     #7e22ce;
    --line-color:     #f3e8ff;
    --ink-blue:       #9333ea;
    --btn-shadow:     #6b21a8;
    --shadow-color:   rgba(147,51,234,0.15);
}

/* ── CYBERPUNK THEME ───────────────────────────────────── */
[data-theme="cyberpunk"] {
    --bg-color:       #080c1a;
    --paper-bg:       #0d1226;
    --text-main:      #f0f9ff;
    --text-muted:     #f472b6;
    --line-color:     #1a1f40;
    --ink-blue:       #db2777;
    --btn-shadow:     #9d174d;
    --shadow-color:   rgba(219,39,119,0.35);
    --glass-bg:       rgba(13,18,38,0.85);
}

/* ── GLASS UI THEME ────────────────────────────────────── */
[data-theme="glass"] {
    --bg-color:       #dbeafe;
    --paper-bg:       rgba(255,255,255,0.55);
    --text-main:      #0c2461;
    --text-muted:     #1d4ed8;
    --line-color:     rgba(255,255,255,0.4);
    --ink-blue:       #2563eb;
    --btn-shadow:     #1e40af;
    --glass-bg:       rgba(255,255,255,0.45);
    --glass-border:   rgba(255,255,255,0.7);
    --glass-blur:     24px;
}

/* ── CYBERPUNK EXTENDED CSS ───────────────────── */
[data-theme="cyberpunk"] .balance-card,
[data-theme="cyberpunk"] .form-section,
[data-theme="cyberpunk"] .history-section {
    border: 1px solid #db2777 !important;
    box-shadow: 0 0 20px rgba(219,39,119,0.3), inset 0 0 20px rgba(219,39,119,0.05) !important;
}
[data-theme="cyberpunk"] .expense-btn {
    background: linear-gradient(135deg, #db2777, #9d174d) !important;
    box-shadow: 0 4px 0 #831843, 0 0 20px rgba(219,39,119,0.5) !important;
}

/* ── GLASS EXTENDED CSS ───────────────────────── */
[data-theme="glass"] .balance-card,
[data-theme="glass"] .form-section,
[data-theme="glass"] .history-section,
[data-theme="glass"] .budget-section {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(var(--glass-blur)) !important;
    -webkit-backdrop-filter: blur(var(--glass-blur)) !important;
    border: 1px solid var(--glass-border) !important;
}

/* ============================================================
   2. BASE RESET & GLOBAL STYLES
   ============================================================ */
*, *::before, *::after {
    margin: 0; padding: 0;
    box-sizing: border-box;
    font-family: var(--font-body) !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg-color);
    color: var(--text-main);
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
    min-height: 100vh;
    /* Subtle mesh background */
    background-image:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(37,99,235,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(139,92,246,0.05) 0%, transparent 60%);
    background-attachment: fixed;
}

[data-theme="night"] body,
[data-theme="cyberpunk"] body {
    background-image:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(96,165,250,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(139,92,246,0.06) 0%, transparent 60%);
}

/* ── TYPOGRAPHY ────────────────────────────────────────── */
h1, h2, h3, h4 {
    font-family: var(--font-display) !important;
    letter-spacing: -0.3px;
    line-height: 1.2;
}

h1 { font-size: 32px; font-weight: 900; }
h2 { font-size: 24px; font-weight: 800; }
h3 { font-size: 18px; font-weight: 800; }

#app-title {
    font-family: var(--font-cursive) !important;
    font-size: 32px !important;
    font-weight: 700 !important;
    color: var(--ink-blue);
    letter-spacing: 0 !important;
}

#lock-title {
    font-family: var(--font-cursive) !important;
    font-size: 40px !important;
    color: var(--ink-blue);
}

#total-expense,
#dudh-total-bill,
#invest-total-amount {
    font-size: 38px !important;
    font-weight: 900 !important;
    font-family: var(--font-display) !important;
    letter-spacing: -1px;
    color: #b91c1c;
}

.balance-card p {
    font-family: var(--font-display) !important;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: #854d0e;
    opacity: 0.85;
}

/* ============================================================
   3. STRUCTURAL LAYOUT
   ============================================================ */
.app-container {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
    padding-bottom: 100px;
}

.content-area { padding-bottom: 20px; }

/* ============================================================
   4. CARDS & SECTIONS — Premium Elevated Style
   ============================================================ */
.balance-card,
.form-section,
.history-section,
.result-card,
.budget-section {
    background: var(--paper-bg);
    border-radius: var(--radius-xl);
    padding: 22px;
    margin: 14px 16px;
    box-shadow: var(--shadow-md), var(--shadow-ink);
    border: 1px solid rgba(255,255,255,0.8);
    /* Staggered entrance */
    transform: translateY(18px);
    opacity: 0;
    animation: cardRise var(--dur-slow) var(--ease-spring) forwards;
    will-change: transform, opacity;
}

.balance-card { animation-delay: 0.08s; }
.budget-section { animation-delay: 0.14s; }
.form-section { animation-delay: 0.2s; }
.history-section { animation-delay: 0.28s; }
.result-card { animation-delay: 0.15s; }

@keyframes cardRise {
    to { transform: translateY(0); opacity: 1; }
}

/* Balance card — golden premium glow */
.balance-card {
    background: linear-gradient(145deg, #fef9c3, #fef08a, #fde68a) !important;
    border: 1.5px solid #fcd34d !important;
    box-shadow: 0 10px 30px rgba(251,191,36,0.25), 0 4px 12px rgba(0,0,0,0.06) !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    position: relative;
    overflow: hidden;
}

/* Decorative radial glow on balance card */
.balance-card::before {
    content: '';
    position: absolute;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(251,191,36,0.4) 0%, transparent 70%);
    top: -60px; right: -60px;
    pointer-events: none;
}

.balance-card::after {
    content: '';
    position: absolute;
    width: 120px; height: 120px;
    background: radial-gradient(circle, rgba(255,255,255,0.35) 0%, transparent 70%);
    bottom: -20px; left: -20px;
    pointer-events: none;
}

/* Night mode balance card */
[data-theme="night"] .balance-card {
    background: linear-gradient(145deg, #1e293b, #1a2744) !important;
    border: 1.5px solid #334155 !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4) !important;
}
[data-theme="night"] .balance-card p { color: #94a3b8; }
[data-theme="night"] .balance-card h1 { color: #f87171; }

/* Budget section */
.budget-section {
    border-left: 4px solid var(--ink-blue);
}

/* ============================================================
   5. 3D PREMIUM BUTTONS
   ============================================================ */
.expense-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, var(--ink-blue), color-mix(in srgb, var(--ink-blue) 80%, #000));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-display) !important;
    font-weight: 700 !important;
    font-size: 15px !important;
    padding: 14px 20px !important;
    width: 100%;
    margin-top: 14px;
    cursor: pointer;
    /* 3D press shadow */
    box-shadow:
        0 5px 0 var(--btn-shadow),
        0 12px 24px var(--shadow-color),
        inset 0 1px 0 rgba(255,255,255,0.2);
    transition:
        transform var(--dur-fast) var(--ease-smooth),
        box-shadow var(--dur-fast) var(--ease-smooth);
    letter-spacing: 0.3px;
}

.expense-btn:hover {
    transform: translateY(-2px);
    box-shadow:
        0 7px 0 var(--btn-shadow),
        0 16px 32px var(--shadow-color),
        inset 0 1px 0 rgba(255,255,255,0.2);
}

.expense-btn:active {
    transform: translateY(5px);
    box-shadow:
        0 0px 0 var(--btn-shadow),
        0 5px 12px var(--shadow-color);
}

/* Ripple effect */
.expense-btn::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    background: rgba(255,255,255,0.28);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease-out, height 0.5s ease-out, opacity 0.5s;
    opacity: 0;
}
.expense-btn:active::after {
    width: 320px; height: 320px;
    opacity: 1; transition: 0s;
}

/* Shimmer sweep on hover */
.expense-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 60%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
}
.expense-btn:hover::before { left: 150%; }

/* ============================================================
   6. FORM INPUTS — iOS-Grade Polish
   ============================================================ */
input, select, textarea {
    width: 100%;
    background: var(--line-color);
    color: var(--text-main);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-body) !important;
    font-size: 15px !important;
    font-weight: 600;
    padding: 13px 16px !important;
    margin-bottom: 12px;
    outline: none;
    transition:
        border-color var(--dur-fast) var(--ease-smooth),
        background var(--dur-fast) var(--ease-smooth),
        box-shadow var(--dur-fast) var(--ease-smooth),
        transform var(--dur-fast) var(--ease-smooth);
    appearance: none;
    -webkit-appearance: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--ink-blue);
    background: var(--paper-bg);
    box-shadow:
        0 0 0 4px rgba(37,99,235,0.10),
        0 4px 12px rgba(37,99,235,0.08);
    transform: translateY(-1px);
}

/* Select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px !important;
}

label {
    display: block;
    font-size: 12px !important;
    font-weight: 800;
    color: var(--text-muted);
    margin-bottom: 6px !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Placeholder styling */
input::placeholder, textarea::placeholder {
    color: #94a3b8;
    font-weight: 500;
    font-size: 14px;
}

/* ============================================================
   7. LIST ITEMS — Swipeable Card Style
   ============================================================ */
ul { list-style: none; }

li {
    background: var(--paper-bg);
    margin-bottom: 10px;
    padding: 14px 16px;
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--line-color);
    transition:
        transform var(--dur-fast) var(--ease-smooth),
        box-shadow var(--dur-fast) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

li::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--ink-blue);
    opacity: 0;
    transition: opacity var(--dur-fast);
}

li:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}
li:hover::before { opacity: 1; }

li:active { transform: scale(0.98); }

.list-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}
.list-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-shrink: 0;
}

/* ── BADGES ─────────────────────────────────────────────── */
.member-badge {
    background: #e0e7ff;
    color: #4f46e5;
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.2px;
}

.category-badge {
    background: #fef3c7;
    color: #b45309;
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 800;
}

/* ── ACTION BUTTONS ─────────────────────────────────────── */
.action-btn {
    background: var(--line-color);
    border: none;
    border-radius: var(--radius-sm);
    padding: 7px 10px;
    cursor: pointer;
    margin-left: 6px;
    font-size: 14px;
    transition:
        transform var(--dur-fast) var(--ease-bounce),
        background var(--dur-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}
.action-btn:hover { background: var(--line-color); filter: brightness(0.94); }
.action-btn:active { transform: scale(0.82); }
.action-btn.delete { background: #fff1f2; }
.action-btn.edit { background: #eff6ff; }

/* ============================================================
   8. BOTTOM NAVIGATION — Frosted Dock
   ============================================================ */
.bottom-nav {
    position: fixed;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 100%; max-width: 600px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-top: 1px solid var(--glass-border);
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    justify-content: flex-start !important;
    gap: 0;
    padding: 10px 12px 18px 12px !important;
    z-index: 100;
    box-shadow: 0 -8px 32px rgba(15,23,42,0.10);
}
.bottom-nav::-webkit-scrollbar { display: none; }

.nav-btn {
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    flex: 0 0 auto;
    min-width: 60px;
    transition:
        color var(--dur-fast) var(--ease-smooth),
        background var(--dur-fast) var(--ease-smooth);
    position: relative;
}

/* Nav icon wrapper with rubber bounce */
.nav-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 32px;
}

.nav-icon-wrap svg {
    transition: transform var(--dur-fast) var(--ease-bounce);
}

.nav-btn:active .nav-icon-wrap svg {
    transform: scale(0.75) rotate(-8deg);
}

.nav-btn span {
    font-family: var(--font-display) !important;
    font-size: 9.5px !important;
    font-weight: 800 !important;
    margin-top: 3px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* Active nav — pill indicator */
.nav-btn.active-nav {
    color: var(--ink-blue);
}

.nav-btn.active-nav .nav-icon-wrap svg {
    transform: scale(1.18) translateY(-2px);
    filter: drop-shadow(0 4px 6px var(--shadow-color));
}

.nav-btn.active-nav::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%; transform: translateX(-50%);
    width: 22px; height: 3px;
    background: var(--ink-blue);
    border-radius: var(--radius-pill) var(--radius-pill) 0 0;
    animation: dotPop var(--dur-normal) var(--ease-bounce);
}

@keyframes dotPop {
    from { width: 0; opacity: 0; }
    to { width: 22px; opacity: 1; }
}

/* ============================================================
   9. SECTION TRANSITIONS — Smooth Reveal
   ============================================================ */
.app-section { display: none; }

.active-section {
    display: block;
    animation: sectionReveal var(--dur-normal) var(--ease-smooth) forwards;
}

@keyframes sectionReveal {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   10. SKELETON LOADERS — Premium Shimmer
   ============================================================ */
.skeleton-box {
    background: linear-gradient(
        90deg,
        var(--line-color) 25%,
        color-mix(in srgb, var(--line-color) 60%, var(--paper-bg)) 50%,
        var(--line-color) 75%
    );
    background-size: 300% 100%;
    animation: shimmer 1.6s infinite ease-in-out;
    border-radius: var(--radius-md);
    height: 72px;
    margin-bottom: 12px;
}

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

/* ============================================================
   11. PREMIUM ANIMATIONS & MICRO-INTERACTIONS
   ============================================================ */

/* Floating animation for hero icons */
.anim-premium-icon {
    display: inline-block;
    animation: premiumFloat 3.5s ease-in-out infinite;
    filter: drop-shadow(0 10px 12px rgba(0,0,0,0.12));
}

@keyframes premiumFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    33%       { transform: translateY(-6px) rotate(2deg) scale(1.02); }
    66%       { transform: translateY(-3px) rotate(-1deg) scale(1.01); }
}

/* Profile card — liquid blob decoration */
.profile-card-anim {
    position: relative;
    overflow: hidden;
}

.profile-card-anim::before {
    content: '';
    position: absolute;
    width: 180px; height: 180px;
    background: linear-gradient(135deg, var(--ink-blue), var(--purple));
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    filter: blur(50px);
    opacity: 0.10;
    top: -40px; right: -40px;
    z-index: 0;
    animation: blobMorph 10s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes blobMorph {
    0%   { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; transform: scale(1) rotate(0deg); }
    50%  { border-radius: 70% 30% 50% 50% / 30% 60% 40% 70%; transform: scale(1.1) rotate(10deg); }
    100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: scale(1.2) rotate(-5deg); }
}

/* 3-dot menu button pulse on load */
#three-dot-btn {
    animation: subtlePulse 3s ease-in-out infinite;
}

@keyframes subtlePulse {
    0%, 100% { box-shadow: 0 2px 8px var(--shadow-color); }
    50%       { box-shadow: 0 2px 16px var(--shadow-color), 0 0 0 4px rgba(37,99,235,0.06); }
}

/* FAB buttons */
#ai-fab-btn {
    transition: transform 0.18s var(--ease-bounce), box-shadow 0.2s !important;
}
#ai-fab-btn:hover { transform: scale(1.08) !important; }
#ai-fab-btn:active { transform: scale(0.88) rotate(-5deg) !important; }

/* All buttons get rubber click */
button:active { transform: scale(0.95); }

/* Scroll add button */
button[onclick="scrollToAdd()"] {
    animation: fabBounce 2.5s ease-in-out infinite;
}
@keyframes fabBounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-4px); }
}

/* ============================================================
   12. IOS-STYLE TOGGLE CHECKBOXES (Ration)
   ============================================================ */
.ration-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 46px !important;
    height: 26px !important;
    background: #cbd5e1;
    border-radius: var(--radius-pill);
    position: relative;
    cursor: pointer;
    outline: none;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.12);
    transition:
        background var(--dur-normal) var(--ease-smooth),
        transform var(--dur-fast);
    margin-right: 12px !important;
    flex-shrink: 0;
}

.ration-item input[type="checkbox"]::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 20px; height: 20px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.22);
    transition: transform var(--dur-normal) var(--ease-bounce);
}

.ration-item input[type="checkbox"]:checked {
    background: var(--green);
}
.ration-item input[type="checkbox"]:checked::after {
    transform: translateX(20px);
}
.ration-item input[type="checkbox"]:active {
    transform: scale(0.92);
}

/* ============================================================
   13. LOCK / OVERLAY SCREENS
   ============================================================ */
.lock-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(7, 13, 26, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: overlayIn var(--dur-normal) var(--ease-smooth);
}

@keyframes overlayIn {
    from { opacity: 0; backdrop-filter: blur(0px); }
    to   { opacity: 1; backdrop-filter: blur(12px); }
}

.lock-card {
    background: var(--paper-bg);
    border-radius: var(--radius-xl);
    padding: 30px 22px;
    box-shadow:
        0 20px 60px rgba(0,0,0,0.25),
        0 4px 16px rgba(0,0,0,0.12),
        inset 0 1px 0 rgba(255,255,255,0.6);
    text-align: center;
    animation: cardPopIn var(--dur-slow) var(--ease-spring);
    border: 1px solid rgba(255,255,255,0.6);
    position: relative;
}

@keyframes cardPopIn {
    from { opacity: 0; transform: scale(0.88) translateY(24px); }
    to   { opacity: 1; transform: scale(1)    translateY(0); }
}

/* Profile modal — bottom sheet */
#profile-modal > .lock-card {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0 !important;
    max-height: 92vh !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    position: fixed !important;
    bottom: 0; left: 0;
    box-shadow: 0 -12px 48px rgba(0,0,0,0.18);
    animation: sheetUp var(--dur-slow) var(--ease-spring);
}

#profile-modal {
    align-items: flex-end !important;
    padding: 0 !important;
}

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

/* Lock icon */
.lock-icon { font-size: 48px; margin-bottom: 12px; display: block; }

/* ============================================================
   14. THEME BUTTONS
   ============================================================ */
.theme-btn {
    padding: 12px 10px;
    border-radius: var(--radius-md);
    font-family: var(--font-display) !important;
    font-weight: 800 !important;
    font-size: 12px !important;
    cursor: pointer;
    border: 2px solid transparent;
    transition:
        transform var(--dur-fast) var(--ease-bounce),
        box-shadow var(--dur-fast);
    letter-spacing: 0.2px;
}

.theme-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.theme-btn:active { transform: scale(0.93); }

/* ============================================================
   15. PULL-TO-REFRESH INDICATOR
   ============================================================ */
#pull-to-refresh {
    text-align: center;
    color: var(--ink-blue);
    font-weight: 800;
    font-size: 13px;
    padding: 12px;
    display: none;
    transition: 0.3s;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line-color);
}

/* ============================================================
   16. OFFLINE BANNER
   ============================================================ */
#offline-banner {
    background: linear-gradient(135deg, #ef4444, #b91c1c) !important;
    box-shadow: 0 4px 16px rgba(239,68,68,0.4);
    font-family: var(--font-display) !important;
    font-weight: 800 !important;
    letter-spacing: 0.3px;
}

/* ============================================================
   17. SCROLLBAR — Thin & Stylish
   ============================================================ */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--line-color);
    border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================================
   18. DATE HEADER IN HISAAB LIST
   ============================================================ */
.date-header {
    font-family: var(--font-display) !important;
    font-size: 12px !important;
    font-weight: 800 !important;
    color: var(--ink-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 14px 0 6px 0;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(37,99,235,0.08), transparent);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--ink-blue);
}

/* ============================================================
   19. RECEIPT THUMBNAIL
   ============================================================ */
.receipt-thumb {
    width: 36px !important;
    height: 36px !important;
    border-radius: var(--radius-sm) !important;
    object-fit: cover;
    border: 2px solid var(--line-color);
    cursor: pointer;
    transition: transform var(--dur-fast) var(--ease-bounce);
}
.receipt-thumb:hover { transform: scale(1.15); }

/* ============================================================
   20. SWEETALERT2 CUSTOMIZATION
   ============================================================ */
.swal2-popup {
    border-radius: var(--radius-xl) !important;
    font-family: var(--font-body) !important;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2) !important;
}

.swal2-title {
    font-family: var(--font-display) !important;
    font-weight: 800 !important;
    font-size: 20px !important;
}

.swal2-confirm, .swal2-cancel {
    border-radius: var(--radius-md) !important;
    font-family: var(--font-display) !important;
    font-weight: 700 !important;
    font-size: 14px !important;
    padding: 11px 22px !important;
}

.swal2-input, .swal2-select {
    border-radius: var(--radius-md) !important;
    border: 2px solid var(--line-color) !important;
    font-family: var(--font-body) !important;
    font-weight: 600 !important;
}

.swal2-input:focus, .swal2-select:focus {
    border-color: var(--ink-blue) !important;
    box-shadow: 0 0 0 4px rgba(37,99,235,0.1) !important;
}

/* Bottom sheet for AI chat */
.bottom-sheet-container .swal2-popup {
    border-radius: 24px 24px 0 0 !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
}

/* ============================================================
   21. PROGRESSIVE ENTRANCE — Staggered List Items
   ============================================================ */
li:nth-child(1) { animation: listItemIn 0.3s var(--ease-spring) 0.00s both; }
li:nth-child(2) { animation: listItemIn 0.3s var(--ease-spring) 0.04s both; }
li:nth-child(3) { animation: listItemIn 0.3s var(--ease-spring) 0.08s both; }
li:nth-child(4) { animation: listItemIn 0.3s var(--ease-spring) 0.12s both; }
li:nth-child(5) { animation: listItemIn 0.3s var(--ease-spring) 0.16s both; }
li:nth-child(n+6) { animation: listItemIn 0.3s var(--ease-spring) 0.20s both; }

@keyframes listItemIn {
    from { opacity: 0; transform: translateX(-10px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   22. FOCUS VISIBLE — Keyboard Accessibility
   ============================================================ */
:focus-visible {
    outline: 3px solid var(--ink-blue);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================================
   23. SELECTION COLOR
   ============================================================ */
::selection {
    background: rgba(37,99,235,0.18);
    color: var(--text-main);
}

/* ============================================================
   24. PRINT STYLES
   ============================================================ */
@media print {
    body * { visibility: hidden; }
    #print-area, #print-area * { visibility: visible; }
    #print-area {
        position: absolute; left: 0; top: 0; width: 100%;
        font-family: Arial, sans-serif;
    }
}

@media screen { #print-area { display: none; } }

/* ============================================================
   25. RESPONSIVE — Tablet/Desktop
   ============================================================ */
@media (min-width: 480px) {
    .app-container { padding-bottom: 110px; }
    .balance-card, .form-section, .history-section, .budget-section { margin: 16px 20px; }
    #total-expense { font-size: 44px !important; }
}

@media (min-width: 600px) {
    body { padding: 0 8px; }
    .bottom-nav { border-radius: 24px 24px 0 0; }
}

/* ============================================================
   26. REDUCED MOTION — Accessibility
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================================
   27. MISC POLISH
   ============================================================ */

/* Search bar focus glow */
#search-expense:focus {
    border-color: var(--ink-blue) !important;
    box-shadow: 0 0 0 4px rgba(37,99,235,0.10), 0 4px 12px rgba(37,99,235,0.08) !important;
}

/* Quick filter chips */
[id^="chip-"] {
    transition:
        background var(--dur-fast),
        color var(--dur-fast),
        transform var(--dur-fast) var(--ease-bounce),
        box-shadow var(--dur-fast);
}
[id^="chip-"]:active { transform: scale(0.92); }

/* Drag handle in modals */
.lock-card > div:first-child {
    transition: opacity var(--dur-fast);
}

/* h3 in history section */
.history-section h3 {
    font-family: var(--font-display) !important;
    font-size: 16px !important;
    font-weight: 800 !important;
    color: var(--text-main);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--line-color);
}

/* Balance card emoji icon centering */
.balance-card .anim-premium-icon {
    margin: 10px auto 0 auto !important;
}

/* Budget bar */
#budget-bar {
    transition: width 0.7s var(--ease-smooth), background 0.4s !important;
    border-radius: var(--radius-pill) !important;
}

/* Splash screen */
#splash-screen {
    background: linear-gradient(145deg, #f0f4ff, #e8eeff) !important;
}

/* Nav active glow */
.nav-btn.active-nav .nav-icon-wrap svg {
    filter: drop-shadow(0 0 6px var(--shadow-color));
}

/* Three-dot menu button */
#three-dot-btn:active {
    transform: scale(0.88) !important;
    transition: transform 0.12s !important;
}