/* 
   GSSI KAS PRO - MOBILE-FIRST PREMIUM THEME
   Optimized for phones & tablets
*/

:root {
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-bg: #eef2ff;
    --success: #10b981;
    --success-bg: #ecfdf5;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --surface: #ffffff;
    --background: #f1f5f9;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.08);
    --shadow-md: 0 4px 12px -2px rgb(0 0 0 / 0.12);
    --radius-full: 9999px;
    --radius-lg: 18px;
    --radius-md: 14px;
    --nav-height: 72px;
}

/* Role-based visibility */
[data-role="member"] .admin-only { display: none !important; }
[data-role="admin"] .admin-only { display: block; }
[data-role="admin"] button.admin-only,
[data-role="admin"] div.admin-only.stats-flex { display: flex !important; }

/* Global Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.5;
    overscroll-behavior-y: contain;
    min-height: 100dvh;
}

/* ============================================
   LANDING / LOGIN SCREEN
   ============================================ */
.login-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(145deg, #1e1b4b 0%, #3730a3 40%, #4f46e5 70%, #6366f1 100%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

/* Module Selector Header (on dark bg) */
.module-selector-header h1 { color: white !important; }
.module-selector-header p  { color: rgba(255,255,255,0.7) !important; }

/* Module Selection Cards */
.module-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,0.95);
    border: 1.5px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    min-height: 80px;
    text-decoration: none;
    color: inherit;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.module-card:active { transform: scale(0.97); background: rgba(255,255,255,0.88); }

@media (hover: hover) {
    .module-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 32px rgba(0,0,0,0.25);
        border-color: rgba(255,255,255,0.6);
    }
}

.module-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.module-card-text { flex: 1; text-align: left; }
.module-card-text h2 { font-size: 1rem; font-weight: 800; color: var(--text-main); margin-bottom: 3px; }
.module-card-text p { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }
.module-card-arrow { font-size: 1.25rem; color: #94a3b8; flex-shrink: 0; }

/* Login Card */
.login-card {
    background: rgba(255,255,255,0.97);
    width: 100%;
    max-width: 420px;
    padding: 32px 24px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.login-logo {
    width: 76px;
    height: 76px;
    object-fit: contain;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
}

.login-card h1 { font-size: 1.6rem; font-weight: 800; color: var(--text-main); margin-bottom: 6px; }
.login-card > p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 28px; }

/* Buttons - always 48px+ tall for easy tapping */
.btn-primary {
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    padding: 15px 20px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 52px;
    touch-action: manipulation;
}

.btn-primary:active { transform: scale(0.97); opacity: 0.9; }

.login-divider {
    margin: 20px 0;
    display: flex; align-items: center; gap: 12px;
    font-size: 0.72rem; font-weight: 800; color: #cbd5e1;
}
.login-divider::before, .login-divider::after {
    content: ""; flex: 1; height: 1px; background: #e2e8f0;
}

.admin-field-group { text-align: left; }
.admin-field-group label {
    display: block; font-size: 0.7rem; font-weight: 800;
    color: var(--text-muted); text-transform: uppercase;
    margin-bottom: 8px; margin-left: 4px;
}

.input-wrapper { position: relative; margin-bottom: 12px; }
.input-wrapper input {
    width: 100%;
    background: #f1f5f9;
    border: 2px solid transparent;
    padding: 15px 16px;
    border-radius: var(--radius-md);
    outline: none;
    font-size: 1rem;
    font-weight: 600;
    transition: 0.2s;
    min-height: 52px;
}
.input-wrapper input:focus { border-color: var(--primary-light); background: white; }

.pass-toggle {
    position: absolute; right: 14px; top: 50%;
    transform: translateY(-50%); background: none; border: none;
    font-size: 1.3rem; color: var(--text-muted); cursor: pointer;
    padding: 8px; /* bigger touch area */
}

/* ============================================
   MAIN APP SHELL
   ============================================ */
.app-shell {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 16px 14px calc(var(--nav-height) + 28px);
    min-height: 100dvh;
}

/* Tablet takes full advantage of space */
@media (min-width: 768px) {
    .app-shell { 
        padding: 20px 20px calc(var(--nav-height) + 32px);
    }
}

/* Desktop two-column */
@media (min-width: 1100px) {
    .app-shell {
        max-width: 1060px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        padding: 24px 24px calc(var(--nav-height) + 32px);
    }
    .span-full { grid-column: 1 / -1; }
}

/* ============================================
   HEADER
   ============================================ */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 2px 0;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.brand h2 { font-size: 1.15rem; font-weight: 800; color: var(--text-main); }
.brand span { font-size: 0.62rem; color: var(--text-muted); font-weight: 700; display: block; }

.role-badge {
    padding: 6px 12px; border-radius: 50px;
    font-size: 0.68rem; font-weight: 800;
    background: var(--primary-bg); color: var(--primary);
    white-space: nowrap;
}

/* ============================================
   STATS CARDS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 18px;
}

/* On bigger phones show all 2 cols nicely */
@media (min-width: 400px) {
    .stats-grid { gap: 12px; }
}

.card-stat {
    background: white;
    padding: 14px 16px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.card-stat label {
    font-size: 0.62rem; font-weight: 800;
    color: var(--text-muted); text-transform: uppercase;
    margin-bottom: 4px; display: block;
    letter-spacing: 0.03em;
}
.card-stat .value { font-size: 1.05rem; font-weight: 800; color: var(--text-main); }

/* ============================================
   SECTIONS (cards)
   ============================================ */
.section {
    background: white;
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    border: 1px solid var(--border);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.section-title {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.95rem; font-weight: 800;
    margin-bottom: 14px;
    color: var(--text-main);
}

/* ============================================
   DEBT / MEMBER ITEMS
   ============================================ */
.debt-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 12px;
    background: #f8fafc;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--danger);
    margin-bottom: 8px;
    gap: 10px;
}

.debt-name { font-weight: 700; font-size: 0.88rem; word-break: break-word; flex: 1; }

.btn-wa-pill {
    background: #22c55e; color: white;
    padding: 8px 14px; border-radius: 50px;
    text-decoration: none; font-size: 0.72rem; font-weight: 800;
    display: flex; align-items: center; gap: 4px;
    white-space: nowrap; flex-shrink: 0;
    min-height: 36px;
}

/* ============================================
   HISTORY ITEMS
   ============================================ */
.history-item {
    padding: 14px 4px;
    border-bottom: 1px solid #f1f5f9;
    position: relative;
    display: flex; flex-direction: column; gap: 5px;
}
.history-item:last-child { border-bottom: none; }

.h-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.h-name { font-weight: 800; font-size: 0.92rem; word-break: break-word; flex: 1; }
.h-amount { font-size: 0.95rem; font-weight: 800; color: var(--primary); white-space: nowrap; }
.h-meta { font-size: 0.72rem; color: var(--text-muted); font-weight: 600; }

.badge-status {
    font-size: 0.6rem; font-weight: 800;
    padding: 3px 9px; border-radius: 50px;
    text-transform: uppercase; flex-shrink: 0;
}
.lunas { background: var(--success-bg); color: var(--success); }
.cicil { background: var(--warning-bg); color: var(--warning); }

.h-actions { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.btn-mini {
    background: #f1f5f9; border: none;
    padding: 8px 14px; border-radius: 10px;
    font-size: 0.72rem; font-weight: 700;
    color: var(--text-muted); cursor: pointer;
    min-height: 36px;
    touch-action: manipulation;
}
.btn-mini:active { background: #e2e8f0; }

/* ============================================
   BOTTOM NAVIGATION
   ============================================ */
.nav-bottom {
    position: fixed;
    bottom: 12px;
    left: 12px;
    right: 12px;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    padding: 8px 0;
    height: var(--nav-height);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    z-index: 1000;
}

/* Safe area for newer iPhones */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .nav-bottom {
        bottom: max(12px, env(safe-area-inset-bottom));
    }
}

.nav-btn {
    background: none;
    border: none;
    color: #94a3b8;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px;
    font-size: 0.62rem;
    font-weight: 800;
    cursor: pointer;
    transition: color 0.2s;
    flex: 1;
    padding: 6px 4px;
    min-height: 52px; /* touch-friendly */
    touch-action: manipulation;
}

.nav-btn.active { color: var(--primary); }
.nav-btn .iconify { font-size: 1.55rem; display: block; }
.nav-btn span { white-space: nowrap; }
.nav-btn:active { color: var(--primary); }

/* FAB */
.fab {
    position: fixed;
    bottom: calc(var(--nav-height) + 20px);
    right: 18px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 900;
    cursor: pointer;
    touch-action: manipulation;
    transition: transform 0.2s;
}
.fab:active { transform: scale(0.92); }

/* ============================================
   MODALS (Bottom Sheet on mobile)
   ============================================ */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 20000;
    display: none;
    align-items: flex-end;
    justify-content: center;
}

.modal-content {
    background: white;
    width: 100%;
    max-width: 560px;
    padding: 28px 20px 32px;
    border-radius: 28px 28px 0 0;
    animation: slideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90dvh;
    overflow-y: auto;
    box-shadow: 0 -8px 40px rgba(0,0,0,0.18);
    position: relative;
    -webkit-overflow-scrolling: touch;
}

/* Modal drag handle */
.modal-content::before {
    content: '';
    display: block;
    width: 36px; height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    margin: 0 auto 20px;
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0.5; }
    to   { transform: translateY(0);    opacity: 1; }
}

.modal-header {
    display: flex; align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.modal-close {
    font-size: 1.8rem; color: var(--text-muted);
    background: #f1f5f9; border: none; cursor: pointer;
    line-height: 1; width: 40px; height: 40px;
    border-radius: 50%; display: flex;
    align-items: center; justify-content: center;
    touch-action: manipulation;
}

/* Form fields */
.field { margin-bottom: 18px; }
.field label {
    display: block; font-size: 0.7rem; font-weight: 800;
    color: var(--text-muted); text-transform: uppercase;
    margin-bottom: 7px; letter-spacing: 0.03em;
}
.field input, .field select {
    width: 100%;
    padding: 15px 16px;
    border-radius: 14px;
    border: 2px solid #f1f5f9;
    background: #f8fafc;
    font-size: 1rem;
    font-weight: 600;
    outline: none;
    transition: 0.2s;
    appearance: none;
    -webkit-appearance: none;
    min-height: 52px;
}
.field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 18px;
    padding-right: 46px;
}
.field input:focus, .field select:focus {
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px var(--primary-bg);
}

/* ============================================
   MEMBER PILLS
   ============================================ */
.pill-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.member-pill {
    background: white;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    min-height: 40px;
}

.member-pill span:first-child {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

.del-member {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1;
    padding: 4px;
    transition: 0.2s;
    touch-action: manipulation;
}
.del-member:active { color: var(--danger); }

/* ============================================
   UTILS
   ============================================ */
.empty-state {
    text-align: center;
    padding: 32px 20px;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    opacity: 0.6;
}

.pagination {
    display: flex; align-items: center;
    justify-content: center; gap: 16px;
    padding: 18px 0;
}
.p-btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: white; font-weight: 800;
    cursor: pointer; font-size: 1rem;
    touch-action: manipulation;
}
.p-btn:disabled { opacity: 0.3; }

/* Fade-in animation */
.fade-in {
    animation: fadeIn 0.4s ease forwards;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   TABLET-SPECIFIC (>= 600px)
   ============================================ */
@media (min-width: 600px) {
    .stats-grid { grid-template-columns: 1fr 1fr 1fr 1fr; }
    .login-card { padding: 40px 36px; }
    .modal-content {
        border-radius: 24px 24px 0 0;
        padding: 32px 28px 36px;
    }
}

/* ============================================
   DESKTOP (>= 1100px) - modal in center
   ============================================ */
@media (min-width: 1100px) {
    .modal-overlay { align-items: center; }
    .modal-content {
        border-radius: 24px;
        max-height: 80vh;
    }
    .modal-content::before { display: none; }
}