/* --- Striker Pro Modern Glossy Theme --- */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --bg-color: #f0f2f5;
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-main: #2d3436;
    --text-muted: #636e72;
    --glass-border: rgba(255, 255, 255, 0.4);
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 123, 255, 0.05) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(40, 167, 69, 0.05) 0%, transparent 40%);
    color: var(--text-main);
    line-height: 1.6;
    padding: 20px;
}

/* Header & Logo */
.logo {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: 1px;
}
/* Mini Copy Button Style */
.btn-copy-mini {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 5px;
    border-radius: 6px;
    transition: 0.2s;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-copy-mini:hover {
    background: #eef2ff;
    transform: scale(1.2);
}

.data-item b {
    font-size: 14px;
    color: var(--dark);
    word-break: break-all;
}

/* Navigation - Glossy Glass Look */
nav {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 15px 25px;
    border-radius: 15px;
    display: flex;
    gap: 25px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 15px;
    transition: 0.3s;
    opacity: 0.8;
}

nav a:hover {
    color: var(--primary-color);
    opacity: 1;
}

/* Stats Cards Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

/* Glossy Card Design */
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 25px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

/* Glossy shine effect on cards */
.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    transition: 0.5s;
    pointer-events: none;
}

.stat-card:hover::after {
    left: 100%;
}

.stat-card b, .stat-card strong {
    font-size: 24px;
    display: block;
    margin-top: 10px;
}

/* News Bar */
.news-bar {
    background: #ffffff;
    padding: 12px;
    border-radius: 10px;
    border-left: 5px solid var(--primary-color);
    margin: 20px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

/* Tables - Professional Look */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    margin-top: 20px;
}

th {
    background: #f8f9fa;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 13px;
    padding: 15px;
    border-bottom: 1px solid #edf2f7;
}

td {
    padding: 15px;
    border-bottom: 1px solid #edf2f7;
    font-size: 14px;
    color: #4a5568;
}

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

tr:hover td {
    background-color: rgba(0, 123, 255, 0.02);
}

/* Buttons */
button, .btn-submit {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

button:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* Input Fields */
input[type="text"], input[type="number"], input[type="file"], select {
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #ddd;
    background: #fcfcfc;
    transition: 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    nav {
        flex-wrap: wrap;
        gap: 10px;
    }

}


    :root {
        --primary: #6366f1;
        --primary-glow: rgba(99, 102, 241, 0.4);
        --success: #10b981;
        --warning: #f59e0b;
        --danger: #ff4757;
        --dark: #0f172a;
        --glass: rgba(255, 255, 255, 0.95);
        --bg: #f4f7ff;
    }

    body { 
        font-family: 'Plus Jakarta Sans', sans-serif; 
        background-color: var(--bg);
        background-image: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.08) 0px, transparent 50%), 
                          radial-gradient(at 100% 0%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
        margin: 0; padding: 25px; 
    }

    .master-grid { 
        max-width: 1400px; margin: auto; 
        display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; 
        
    }

    /* মাস্টার কার্ড ডিজাইন */
    .master-card { 
        background: var(--glass); 
        padding: 30px; border-radius: 30px; 
        border: 1px solid rgba(255, 255, 255, 0.6); 
        box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05); 
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        position: relative; overflow: hidden;
    }

    .master-card:hover { 
        transform: translateY(-10px); 
        box-shadow: 0 20px 40px -15px var(--primary-glow);
        border-color: var(--primary);
    }

    .card-icon {
        width: 55px; height: 55px; border-radius: 18px;
        display: flex; align-items: center; justify-content: center;
        font-size: 22px; margin-bottom: 20px;
    }

    .icon-primary { background: #eef2ff; color: var(--primary); }
    .icon-success { background: #ecfdf5; color: var(--success); }
    .icon-warning { background: #fffbeb; color: var(--warning); }

    .card-title { font-weight: 700; font-size: 14px; color: #64748b; text-transform: uppercase; letter-spacing: 0.8px; }
    .card-val { font-size: 34px; font-weight: 800; color: var(--dark); display: block; margin-top: 5px; }

    /* ইনপুট ও বাটন স্টাইল */
    input, textarea { 
        width: 100%; padding: 15px; border: 2px solid #e2e8f0; border-radius: 18px; 
        margin-top: 12px; font-weight: 600; outline: none; transition: 0.3s;
        background: #f8fafc; font-size: 15px; box-sizing: border-box;
    }
    input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px var(--primary-glow); }

    .btn-master { 
        width: 100%; padding: 16px; border: none; border-radius: 18px; 
        font-weight: 800; cursor: pointer; margin-top: 15px; 
        transition: 0.4s; text-transform: uppercase; letter-spacing: 1px;
        display: flex; align-items: center; justify-content: center; gap: 10px;
    }

    .btn-primary { background: var(--primary); color: white; box-shadow: 0 10px 20px -5px var(--primary); }
    .btn-success { background: var(--success); color: white; box-shadow: 0 10px 20px -5px var(--success); }
    .btn-dark { background: var(--dark); color: white; }
    .btn-master:hover { transform: scale(1.02); opacity: 0.95; }

    /* টেবিল ডিজাইন */
    .history-card { grid-column: 1 / -1; }
    .custom-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
    .custom-table th { text-align: left; padding: 15px; color: #94a3b8; font-size: 12px; font-weight: 800; text-transform: uppercase; border-bottom: 2px solid #f1f5f9; }
    .custom-table td { padding: 20px 15px; border-bottom: 1px solid #f1f5f9; font-weight: 600; }

    @media (max-width: 1100px) { .master-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 750px) { .master-grid { grid-template-columns: 1fr; } }