/* money-tracker-app/assets/css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Dark Slate & Glassmorphism */
    --bg-start: #090d16;
    --bg-end: #111827;
    --card-bg: rgba(22, 30, 49, 0.65);
    --card-border: rgba(255, 255, 255, 0.07);
    --card-shadow: rgba(0, 0, 0, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #14b8a6; /* Teal */
    --accent-primary-hover: #0d9488;
    --accent-primary-glow: rgba(20, 184, 166, 0.2);
    
    --color-success: #10b981; /* Emerald */
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-danger: #ef4444; /* Rose */
    --color-danger-bg: rgba(239, 68, 68, 0.1);
    --color-warning: #f59e0b; /* Amber */
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-info: #3b82f6; /* Blue */
    --color-info-bg: rgba(59, 130, 246, 0.1);
    
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-border: rgba(255, 255, 255, 0.1);
    --input-focus: #14b8a6;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    background-color: var(--bg-start);
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-start);
    background-image: linear-gradient(135deg, var(--bg-start), var(--bg-end));
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Base Container - Mobile First (Max Width 640px for ideal reading width) */
.container {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Header & Navigation */
header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 640px;
    margin: 0 auto;
    padding: 1rem 1.25rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--text-primary);
    text-decoration: none;
    background: linear-gradient(to right, #22d3ee, #14b8a6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo svg {
    stroke: url(#logo-grad);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
}

.nav-item:hover, .nav-item.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Cards (Glassmorphism) */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px var(--card-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    pointer-events: none;
}

/* Glassmorphism Title Card */
.dashboard-balance-card {
    text-align: center;
    padding: 2.25rem 1.5rem;
    background: radial-gradient(circle at top right, rgba(20, 184, 166, 0.12), transparent 60%), var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.balance-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.balance-amount {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1;
}

.balance-amount.positive {
    color: var(--color-success);
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
}

.balance-amount.negative {
    color: var(--color-danger);
    text-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
}

.balance-amount.neutral {
    color: var(--text-primary);
}

.balance-summary-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="date"],
select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
}

input:focus, select:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--accent-primary);
    color: #0b0f19;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.75rem 1.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    width: 100%;
}

.btn:hover {
    background: var(--accent-primary-hover);
    box-shadow: 0 0 15px var(--accent-primary-glow);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

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

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--radius-sm);
    border-left: 4px solid;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success {
    background: var(--color-success-bg);
    border-color: var(--color-success);
    color: #a7f3d0;
}

.alert-danger {
    background: var(--color-danger-bg);
    border-color: var(--color-danger);
    color: #fca5a5;
}

.alert-warning {
    background: var(--color-warning-bg);
    border-color: var(--color-warning);
    color: #fde68a;
}

.alert-info {
    background: var(--color-info-bg);
    border-color: var(--color-info);
    color: #bfdbfe;
}

/* Lists and Items */
.section-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-title span.badge {
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    font-weight: 400;
}

.list-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

.list-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(2px);
}

.list-item-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.95rem;
}

.avatar.red-theme {
    background: linear-gradient(135deg, #ec4899, #f43f5e);
}

.list-item-details {
    display: flex;
    flex-direction: column;
}

.item-name {
    font-weight: 600;
    font-size: 0.95rem;
}

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

.list-item-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.item-amount {
    font-weight: 700;
    font-size: 1rem;
}

.item-amount.positive {
    color: var(--color-success);
}

.item-amount.negative {
    color: var(--color-danger);
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
}

.status-badge.pending {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.status-badge.paid_pending {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.status-badge.settled {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

/* Tabs */
.tabs {
    display: flex;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--card-border);
    padding: 0.35rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition-fast);
    text-align: center;
}

.tab-btn.active {
    background: var(--card-bg);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

/* Payment page styles */
.pay-amount-hero {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin: 1rem 0;
}

.copy-field {
    display: flex;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 0.75rem;
    align-items: center;
}

.copy-label {
    padding: 0 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    border-right: 1px solid var(--input-border);
    width: 90px;
}

.copy-value {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-left: 1px solid var(--input-border);
    color: var(--accent-primary);
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.copy-btn.copied {
    background: var(--color-success);
    color: #0b0f19;
}

/* QR Code styling */
.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.qr-box {
    background: #fff;
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    display: inline-block;
}

.qr-box canvas, .qr-box img {
    display: block;
}

.qr-helper-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 280px;
}

/* TWINT Button Specific Styles */
.btn-twint {
    background: #e1007a; /* Official Twint Pink */
    color: #ffffff;
    font-weight: 700;
    border: 1px solid rgba(255,255,255,0.1);
}

.btn-twint:hover {
    background: #c20067;
    box-shadow: 0 0 20px rgba(225, 0, 122, 0.3);
}

/* Admin Styles */
.user-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--card-border);
}

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

.user-info {
    display: flex;
    flex-direction: column;
}

.user-username {
    font-weight: 600;
}

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

.admin-tag {
    background: rgba(20, 184, 166, 0.15);
    color: var(--accent-primary);
    font-size: 0.7rem;
    padding: 0.1rem 0.3rem;
    border-radius: 4px;
    font-weight: 600;
    margin-left: 0.5rem;
    display: inline-block;
}

/* Footer styling */
footer {
    text-align: center;
    padding: 2rem 1.25rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--card-border);
    background: rgba(11, 15, 25, 0.3);
    margin-top: auto;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
}

footer a:hover {
    color: var(--accent-primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.empty-state svg {
    color: var(--text-muted);
    width: 48px;
    height: 48px;
}

/* Modal/Instructions Overlay */
.instructions-box {
    margin-top: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 1rem;
}

.instructions-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.instructions-list {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

/* Consolidated Account Cards */
.account-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 8px 20px var(--card-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.account-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.account-username {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.account-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

@media (max-width: 480px) {
    .account-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}

.grid-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
    text-align: center;
}

.grid-col.inactive {
    opacity: 0.3;
    cursor: default;
    pointer-events: none;
}

.grid-col:hover:not(.inactive) {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.col-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.col-amount {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.col-action {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    width: 100%;
    padding-top: 0.25rem;
    margin-top: 0.25rem;
}

/* Green (Credits) styling */
.credits-col.active {
    border-color: rgba(16, 185, 129, 0.2);
    background: rgba(16, 185, 129, 0.03);
}
.credits-col.active:hover {
    border-color: var(--color-success);
    background: rgba(16, 185, 129, 0.08);
}
.credits-col.active .col-amount {
    color: var(--color-success);
}
.credits-col.active .col-action {
    color: var(--color-success);
}

/* Red (Debts) styling */
.debts-col.active {
    border-color: rgba(239, 68, 68, 0.2);
    background: rgba(239, 68, 68, 0.03);
}
.debts-col.active:hover {
    border-color: var(--color-danger);
    background: rgba(239, 68, 68, 0.08);
}
.debts-col.active .col-amount {
    color: var(--color-danger);
}
.debts-col.active .col-action {
    color: #fca5a5;
}

/* Net styling (Violet) */
.net-col.net-positive, .net-col.net-negative {
    border-color: rgba(168, 85, 247, 0.25);
    background: rgba(168, 85, 247, 0.05);
}
.net-col.net-positive:hover, .net-col.net-negative:hover {
    border-color: #a855f7;
    background: rgba(168, 85, 247, 0.1);
}
.net-col.net-positive .col-amount, .net-col.net-negative .col-amount {
    color: #c084fc;
}
.net-col.net-positive .col-action, .net-col.net-negative .col-action {
    color: #d8b4fe;
}

.net-col.net-neutral {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
}
.net-col.net-neutral:hover {
    border-color: rgba(168, 85, 247, 0.4);
    background: rgba(168, 85, 247, 0.04);
}
.net-col.net-neutral .col-amount {
    color: var(--text-primary);
}
.net-col.net-neutral .col-action {
    color: var(--text-secondary);
}

/* Blue (Paid Pending / Confirmation Needed) styling */
.grid-col.paid-pending-active {
    border-color: rgba(59, 130, 246, 0.3) !important;
    background: rgba(59, 130, 246, 0.05) !important;
}
.grid-col.paid-pending-active:hover {
    border-color: #3b82f6 !important;
    background: rgba(59, 130, 246, 0.1) !important;
}
.grid-col.paid-pending-active .col-amount {
    color: #60a5fa !important;
}
.grid-col.paid-pending-active .col-action {
    color: #93c5fd !important;
}

/* Mobile Header & Navigation responsiveness */
@media (max-width: 580px) {
    .logo span {
        display: none;
    }
    .nav-wrapper {
        padding: 0.75rem 0.85rem;
    }
    .nav-links {
        gap: 0.25rem;
    }
    .nav-item {
        padding: 0.4rem 0.6rem;
    }
}