:root {
    --bkash-pink: #E2136E;
    --bkash-pink-hover: #c90e60;
    --bkash-light: #fef0f6;
    --bkash-gradient: linear-gradient(135deg, #E2136E 0%, #890c42 100%);
    --dark-bg: #0f172a;
    --card-bg: #ffffff;
    --sidebar-bg: #1e293b;
    --text-primary: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8fafc;
    color: var(--text-primary);
    min-height: 100vh;
}

/* Login Page Styling */
.login-body {
    background: radial-gradient(circle at 10% 20%, rgba(226, 19, 110, 0.08) 0%, rgba(15, 23, 42, 0.04) 90%), #f8fafc;
}

.login-card {
    width: 100%;
    max-width: 440px;
    border-radius: 20px;
    background: #ffffff;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: var(--bkash-light);
    color: var(--bkash-pink);
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* Button & Accents */
.btn-bkash {
    background: var(--bkash-gradient);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(226, 19, 110, 0.25);
}

.btn-bkash:hover, .btn-bkash:focus {
    background: linear-gradient(135deg, #c90e60 0%, #6f0935 100%);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(226, 19, 110, 0.35);
}

.btn-bkash-outline {
    background: transparent;
    color: var(--bkash-pink);
    border: 1.5px solid var(--bkash-pink);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.btn-bkash-outline:hover {
    background: var(--bkash-pink);
    color: #ffffff;
}

.badge-bkash {
    background-color: var(--bkash-light);
    color: var(--bkash-pink);
    border: 1px solid rgba(226, 19, 110, 0.2);
}

/* Navbar */
.navbar-custom {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-link {
    border: none;
    color: var(--text-muted);
    font-weight: 600;
    padding: 12px 18px;
    border-radius: 8px;
    margin-right: 6px;
    transition: all 0.2s;
}

.nav-tabs .nav-link:hover {
    color: var(--bkash-pink);
    background: rgba(226, 19, 110, 0.05);
}

.nav-tabs .nav-link.active {
    color: var(--bkash-pink);
    background: var(--bkash-light);
    border-bottom: 2px solid var(--bkash-pink);
}

/* Dashboard Cards */
.stat-card {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: #ffffff;
    transition: all 0.25s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.stat-icon.pink {
    background: var(--bkash-light);
    color: var(--bkash-pink);
}

.stat-icon.blue {
    background: #eff6ff;
    color: #2563eb;
}

.stat-icon.green {
    background: #f0fdf4;
    color: #16a34a;
}

.stat-icon.amber {
    background: #fffbeb;
    color: #d97706;
}

/* Telegram Preview Simulator */
.telegram-preview-box {
    background: #54759e;
    background-image: radial-gradient(#6082ab 15%, transparent 16%);
    background-size: 16px 16px;
    border-radius: 16px;
    padding: 20px;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.telegram-bubble {
    background: #ffffff;
    border-radius: 14px;
    padding: 14px 18px;
    max-width: 380px;
    width: 100%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    font-size: 0.92rem;
    line-height: 1.5;
    position: relative;
}

.telegram-bubble code {
    background: #f1f5f9;
    color: #e11d48;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88em;
}

/* History table */
.table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    vertical-align: middle;
    font-size: 0.9rem;
}

/* Code block & Copy */
.code-box {
    background: #1e293b;
    color: #38bdf8;
    border-radius: 10px;
    padding: 12px 16px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.88rem;
    overflow-x: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.badge-mode {
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
}