/* ============================================
   MODERN MERCHANT DASHBOARD - ROCKER THEME
   Professional Dark Theme with Modern UI
   ============================================ */

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

:root {
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --secondary: #8B5CF6;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --dark-bg: #0F172A;
    --dark-card: #1E293B;
    --dark-border: #334155;
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-dim: #94A3B8;
    --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    --gradient-error: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* =============== BACKGROUND EFFECTS =============== */
.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
}

.bg-effects::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.bg-effects::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
}

/* =============== LOGIN PAGE =============== */
.login-page {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 50px 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo-merchant {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
}

.brand-title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-subtitle {
    text-align: center;
    color: var(--text-dim);
    margin-bottom: 35px;
    font-size: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-label i {
    color: var(--primary);
    width: 16px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: var(--dark-card);
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.error-msg {
    margin-top: 20px;
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    border-radius: 8px;
    color: #FCA5A5;
    font-size: 14px;
    display: none;
}

/* =============== DASHBOARD LAYOUT =============== */
.dashboard {
    position: relative;
    z-index: 1;
    display: none;
    min-height: 100vh;
}

.dashboard.active { 
    display: flex; 
}

/* =============== SIDEBAR =============== */
.sidebar {
    width: 280px;
    background: var(--dark-card);
    border-right: 1px solid var(--dark-border);
    padding: 30px 0;
    min-height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    overflow-y: auto;
    animation: slideInLeft 0.5s;
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.sidebar-brand {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--dark-border);
}

.nav-section {
    margin-bottom: 30px;
}

.nav-section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 30px;
    margin-bottom: 15px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 30px;
    margin-bottom: 4px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    position: relative;
}

.nav-link:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.nav-link.active {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary);
    border-right: 3px solid var(--primary);
}

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

.btn-signout {
    width: calc(100% - 60px);
    margin: 30px;
    padding: 14px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: #FCA5A5;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-signout:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: translateY(-1px);
}

/* =============== MAIN AREA =============== */
.main-area {
    margin-left: 280px;
    padding: 30px;
    min-height: 100vh;
    width: calc(100% - 280px);
}

/* =============== PAGE HEADER =============== */
.page-header {
    background: var(--dark-card);
    padding: 25px 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--dark-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.merchant-info {
    display: flex;
    align-items: center;
    gap: 18px;
}

.merchant-user {
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.merchant-user i {
    color: var(--primary);
}

.merchant-tag {
    padding: 8px 18px;
    background: var(--gradient-primary);
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    color: white;
}

/* =============== STATS CONTAINER =============== */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.stats-card {
    background: var(--dark-card);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--dark-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(59, 130, 246, 0.2);
    border-color: var(--primary);
}

.stats-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.stats-text {
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stats-text i {
    color: var(--primary);
}

/* =============== DATA TABLE =============== */
.data-table-wrap {
    background: var(--dark-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--dark-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

.data-table thead {
    background: rgba(59, 130, 246, 0.1);
    border-bottom: 1px solid var(--primary);
}

.data-table th,
.data-table td {
    padding: 16px 20px;
    text-align: left;
}

.data-table th {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--dark-border);
    transition: background 0.2s ease;
}

.data-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

/* =============== STATUS BADGES =============== */
.status-badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-active { 
    background: rgba(16, 185, 129, 0.2); 
    color: #6EE7B7; 
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-pending {
    background: rgba(245, 158, 11, 0.2);
    color: #FCD34D;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-rejected {
    background: rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* =============== BUTTONS =============== */
.btn-action {
    padding: 10px 20px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 6px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
}

.btn-approve {
    background: var(--gradient-success);
    padding: 8px 16px;
    font-size: 13px;
    margin-right: 8px;
}

.btn-reject {
    background: var(--gradient-error);
    padding: 8px 16px;
    font-size: 13px;
}

/* =============== SETTINGS CARD =============== */
.settings-card {
    background: var(--dark-card);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--dark-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    max-width: 700px;
}

.settings-card h3 {
    margin-bottom: 28px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.settings-info {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-info strong {
    color: var(--text-secondary);
    min-width: 120px;
}

.settings-divider {
    margin: 25px 0;
    padding-top: 25px;
    border-top: 1px solid var(--dark-border);
}

.settings-input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.settings-input {
    flex: 1;
    padding: 12px;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
}

.settings-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* =============== INFO CARD =============== */
.info-card {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    color: #93C5FD;
    font-size: 14px;
}

.info-card i {
    color: var(--primary);
    margin-right: 8px;
}

/* =============== ANIMATIONS =============== */
@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-50px, -50px); }
}

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

.stats-card {
    animation: slideIn 0.6s ease-out;
}

/* =============== RESPONSIVE =============== */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        min-height: auto;
    }
    
    .main-area {
        margin-left: 0;
        padding: 20px;
        width: 100%;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .merchant-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .settings-input-group {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .main-area {
        padding: 15px;
    }
    
    .stats-container {
        gap: 15px;
    }
    
    .stats-card {
        padding: 20px;
    }
    
    .data-table th,
    .data-table td {
        padding: 12px 15px;
        font-size: 13px;
    }
}