/* ===========================
   Pikachu Tools - Main Stylesheet
   Responsive + Dark/Light Theme
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* === CSS Variables - Light Theme (Colorful & Vibrant) === */
:root {
    --bg-primary: #f0fdfa; /* Light mint/teal tint */
    --bg-secondary: #ccfbf1; /* Vibrant teal tint */
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #ffffff;
    --bg-sidebar: #ffffff;
    --green: #059669; /* Richer green */
    --green-dark: #047857;
    --green-light: #34d399;
    --green-glow: rgba(16, 185, 129, 0.15);
    --green-glow-strong: rgba(16, 185, 129, 0.35);
    --blue: #0284c7;
    --blue-light: #38bdf8;
    --purple: #9333ea;
    --purple-light: #d8b4fe;
    --orange: #ea580c;
    --orange-light: #fed7aa;
    --pink: #db2777;
    --cyan: #0891b2;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-green: rgba(5, 150, 105, 0.4);
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #0ea5e9;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    --shadow-green: 0 8px 32px rgba(5, 150, 105, 0.2);
    --shadow-blue: 0 8px 32px rgba(2, 132, 199, 0.15);
    --shadow-purple: 0 8px 32px rgba(147, 51, 234, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 260px;
    --btn-text: #ffffff;
}

/* === CSS Variables - Dark Theme === */
[data-theme="dark"] {
    --bg-primary: #000000;
    --bg-secondary: #0d0d0d;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --bg-input: #000000;
    --bg-sidebar: #050505;
    
    --text-primary: #4ade80; /* Light green text */
    --text-secondary: #22c55e; /* Normal green for secondary */
    --text-muted: #16a34a; /* Dimmer green for muted */
    
    --border: #14532d; /* Dark green borders */
    --border-green: rgba(74, 222, 128, 0.4);
    
    --shadow: 0 4px 24px rgba(74, 222, 128, 0.1); /* Green shadow instead of black */
    --shadow-green: 0 8px 32px rgba(74, 222, 128, 0.25);
    
    --green: #4ade80; /* Main accent light green */
    --green-dark: #22c55e;
    --green-light: #bbf7d0;
    --green-glow: rgba(74, 222, 128, 0.2);
    --green-glow-strong: rgba(74, 222, 128, 0.4);
    
    --blue: #38bdf8;
    --blue-light: #7dd3fc;
    --btn-text: #000000;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

a {
    color: var(--green);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--green-dark);
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { 
    background: var(--border); 
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { 
    background: var(--green); 
}

/* === Auth Pages (Login/Register) === */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.auth-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
    animation: authGlow 8s ease-in-out infinite alternate;
}

.auth-wrapper::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -30%;
    width: 400px;
    height: 400px;
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

@keyframes authGlow {
    0% { transform: translate(-10%, -10%) scale(1); opacity: 0.5; }
    100% { transform: translate(10%, 10%) scale(1.2); opacity: 0.8; }
}

.auth-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo h1 {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--green), var(--blue), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.auth-logo h1 span {
    color: var(--text-primary);
}

.auth-logo p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 6px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--green), transparent);
}

.auth-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: 28px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
    border: none;
    background: transparent;
}

.auth-tab.active {
    background: var(--green);
    color: #000;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.auth-tab:hover:not(.active) {
    color: var(--text-primary);
}

.auth-form { display: none; }
.auth-form.active { display: block; }

/* === Form Elements === */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper .form-control {
    padding-left: 44px;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 100%);
    color: var(--btn-text);
    box-shadow: 0 4px 16px var(--green-glow-strong);
    font-weight: 700;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--green-glow-strong);
    color: var(--btn-text);
}

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

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

.btn-danger:hover {
    background: #dc2626;
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--green);
    color: var(--green);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* === Dashboard Layout === */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
}

.sidebar-brand {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.03) 0%, rgba(14, 165, 233, 0.03) 100%);
}

.sidebar-brand h2 {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--green), var(--blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-brand h2 span {
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 12px 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.08) 100%);
    color: var(--green);
    border-left: 3px solid var(--green);
    padding-left: 11px;
}

.nav-item .nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%);
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
    border: 2px solid var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}

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

.sidebar-user-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-balance {
    font-size: 12px;
    color: var(--green);
    font-weight: 600;
}

/* === Main Content === */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    overflow-x: hidden;
    transition: margin-left 0.3s ease;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 28px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    flex-wrap: wrap;
    gap: 16px;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-title h1 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}

.topbar-title p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: auto;
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 18px;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--green);
    border-color: var(--green);
}

/* === User Profile Dropdown === */
.user-profile-dropdown {
    position: relative;
}

.profile-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%);
    border: 1px solid var(--border);
    border-radius: 25px;
    padding: 3px 10px 3px 3px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.profile-btn:hover {
    border-color: var(--green);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(14, 165, 233, 0.12) 100%);
}

.profile-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 10px;
}

.profile-name {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.topbar-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%);
    border: 1px solid var(--border);
    border-radius: 20px;
}

.topbar-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 12px;
}

.topbar-user-details {
    display: flex;
    flex-direction: column;
}

.topbar-user-name {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
}

.topbar-user-role, .topbar-user-balance {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 500;
}

.dropdown-arrow {
    font-size: 8px;
    color: var(--text-muted);
}

.profile-btn:hover .dropdown-arrow {
    color: var(--green);
}

.profile-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    min-width: 280px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.profile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.profile-avatar-lg {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.profile-info h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.profile-info p {
    font-size: 12px;
    color: var(--text-muted);
}

.profile-balance {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(14, 165, 233, 0.05) 100%);
    font-size: 13px;
}

.profile-balance span {
    color: var(--text-muted);
}

.profile-balance strong {
    color: var(--green);
    font-weight: 700;
}

.profile-divider {
    height: 1px;
    background: var(--border);
    margin: 6px 0;
}

.profile-menu-item {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    font-size: 13px;
    transition: var(--transition);
    text-decoration: none;
}

.profile-menu-item:hover {
    background: var(--bg-secondary);
    color: var(--green);
    padding-left: 20px;
}

.profile-menu-item.logout {
    color: var(--danger);
}

.profile-menu-item.logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

.content-area {
    padding: 28px;
    max-width: 100%;
    overflow-x: auto;
}

/* === Dashboard Grid Stats === */
.dashboard-grid,
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
}

/* Colorful gradient backgrounds for each stat card */
.stat-card:nth-child(1) {
    border-top: 3px solid var(--green);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.03) 0%, rgba(16, 185, 129, 0.08) 100%);
}

.stat-card:nth-child(2) {
    border-top: 3px solid var(--blue);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.03) 0%, rgba(14, 165, 233, 0.08) 100%);
}

.stat-card:nth-child(3) {
    border-top: 3px solid var(--orange);
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.03) 0%, rgba(249, 115, 22, 0.08) 100%);
}

.stat-card:nth-child(4) {
    border-top: 3px solid var(--purple);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.03) 0%, rgba(168, 85, 247, 0.08) 100%);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green), transparent);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-green), var(--shadow-blue);
}

.stat-card:nth-child(2):hover {
    box-shadow: var(--shadow-blue);
}

.stat-card:nth-child(3):hover {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.06) 0%, rgba(249, 115, 22, 0.12) 100%);
}

.stat-card:nth-child(4):hover {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.06) 0%, rgba(168, 85, 247, 0.12) 100%);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

/* Color icons based on card index */
.stat-card:nth-child(1) .stat-icon {
    background: linear-gradient(135deg, var(--green-light) 0%, var(--green) 100%);
}

.stat-card:nth-child(2) .stat-icon {
    background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue) 100%);
}

.stat-card:nth-child(3) .stat-icon {
    background: linear-gradient(135deg, var(--orange-light) 0%, var(--orange) 100%);
}

.stat-card:nth-child(4) .stat-icon {
    background: linear-gradient(135deg, var(--purple-light) 0%, var(--purple) 100%);
}

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

.stat-value {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-value.text-date {
    font-size: 18px;
    white-space: nowrap;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

/* === SMS Form Card === */
.sms-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.sms-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green), var(--blue), var(--purple));
}

.sms-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.sms-card-header h2 {
    font-size: 18px;
    font-weight: 700;
}

.sms-card-header .icon {
    font-size: 24px;
}

.char-counter {
    text-align: right;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.char-counter.warning { color: var(--warning); }
.char-counter.danger { color: var(--danger); }

.sms-cost-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-top: 16px;
    margin-bottom: 20px;
}

.sms-cost-info span {
    color: var(--text-muted);
    font-size: 13px;
}

.sms-cost-info strong {
    color: var(--green);
    font-size: 16px;
}

/* === Tables === */
.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.table-card-header h3 {
    font-size: 16px;
    font-weight: 700;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 12px 24px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 14px 24px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--bg-card-hover);
}

/* === Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--green);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* === Alert Messages === */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease;
}

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

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--green);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--info);
}

/* === Add Fund Page === */
.fund-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.fund-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

/* Gradient colors for fund cards */
.fund-card:nth-child(1) {
    border-top: 4px solid var(--green);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.1) 100%);
}

.fund-card:nth-child(2) {
    border-top: 4px solid var(--blue);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(14, 165, 233, 0.1) 100%);
}

.fund-card:nth-child(3) {
    border-top: 4px solid var(--orange);
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.05) 0%, rgba(249, 115, 22, 0.1) 100%);
}

.fund-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.fund-card .fund-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.fund-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 700;
}

.fund-card p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
}

.fund-card .btn {
    width: 100%;
}

/* === Pricing Section === */
.pricing-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid transparent;
    border-image: linear-gradient(135deg, var(--green), var(--blue), var(--purple)) 1;
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.1);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--green), var(--blue), var(--purple));
}

.pricing-card .price {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--green), var(--blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin: 16px 0;
}

.pricing-card .price-label {
    font-size: 16px;
    color: var(--text-muted);
}

/* === Toast Notifications === */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    font-size: 14px;
    box-shadow: var(--shadow);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 3.7s forwards;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 300px;
    max-width: 420px;
}

.toast-success { border-left: 3px solid var(--green); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-warning { border-left: 3px solid var(--warning); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100px); }
}

/* === Pagination === */
.pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    padding: 20px;
}

.pagination a, .pagination span {
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

.pagination a:hover {
    border-color: var(--green);
    color: var(--green);
}

.pagination .active {
    background: var(--green);
    color: #000;
    border-color: var(--green);
}

/* === Profile Page === */
.profile-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
}

.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow-x: auto;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.profile-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green), #22d3ee);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    color: #000;
}

.profile-info h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-info p {
    color: var(--text-muted);
    font-size: 14px;
}

/* === Admin Panel Specific === */
.admin-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.admin-stat-card:hover {
    border-color: var(--border-green);
    box-shadow: var(--shadow-green);
}

.admin-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-actions .btn {
    padding: 6px 12px;
    font-size: 12px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
}

/* Message View Modal Specific */
.message-preview-content {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 14px;
    color: var(--text-primary);
    max-height: 300px;
    overflow-y: auto;
}

/* === Loading Spinner === */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* === Settings Form === */
.settings-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 24px;
    overflow: hidden;
}

.settings-section-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-section-header h3 {
    font-size: 16px;
    font-weight: 700;
}

.settings-section-body {
    padding: 24px;
}

.settings-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* === Responsive === */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
    }

    .sidebar-overlay.active {
        display: block;
    }

    .content-area {
        padding: 16px;
    }

    .dashboard-grid,
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 14px 16px;
        gap: 12px;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 18px;
        border-radius: 10px;
    }

    .stat-value {
        font-size: 20px;
    }

    .stat-label {
        font-size: 12px;
    }

    .topbar {
        padding: 10px 14px;
    }

    .topbar-title h1 {
        font-size: 16px;
    }

    .topbar-user-info {
        padding: 4px 10px;
    }

    /* Reduce text size on mobile to save space horizontally */
    .topbar-user-balance,
    .topbar-user-role {
        font-size: 11px;
    }
    .topbar-user-name {
        font-size: 12px;
    }
    .topbar-user-avatar {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .theme-toggle {
        padding: 6px 10px;
        font-size: 16px;
    }

    .settings-row {
        grid-template-columns: 1fr;
    }

    .fund-cards {
        grid-template-columns: 1fr;
    }


    .auth-card {
        padding: 24px;
    }

    .modal {
        margin: 16px;
    }

    .sms-card {
        padding: 16px;
    }

    .sms-card-header h2 {
        font-size: 16px;
    }

    .table-card-header {
        padding: 16px;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    /* Optimized Horizontal Table for Mobile */
    .table-card {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .data-table th, 
    .data-table td {
        white-space: nowrap;
        padding: 8px 12px !important;
        font-size: 12px !important;
    }

    .data-table td:before { 
        display: none !important;
    }

    .admin-actions {
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .dashboard-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-actions {
        flex-direction: column;
    }

    .stat-card {
        padding: 12px 14px;
    }
}

/* === Utility Classes === */
.text-green { color: var(--green); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-2 { gap: 16px; }
.justify-between { justify-content: space-between; }
.w-100 { width: 100%; }