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

:root {
    --bg-body: #0f172a;       /* Dark Blue/Slate background */
    --bg-card: #1e293b;       /* Lighter card background */
    --text-main: #f1f5f9;     /* White text */
    --text-muted: #94a3b8;    /* Gray text */
    --primary: #3b82f6;       /* Blue accent */
    --primary-hover: #2563eb;
    --border: #334155;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
}

/* Card Styling */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border);
    padding: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Form Inputs */
.form-control, .form-select {
    background-color: #0f172a;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.6rem 1rem;
    border-radius: 8px;
}

.form-control:focus, .form-select:focus {
    background-color: #0f172a;
    border-color: var(--primary);
    color: var(--text-main);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 0.6rem 1.2rem;
    font-weight: 500;
    transition: all 0.2s;
}
.btn-primary { background-color: var(--primary); border: none; }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-1px); }

/* Tables */
.table { color: var(--text-muted); }
.table thead th {
    background-color: #0f172a;
    color: var(--text-main);
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}
.table td { border-color: var(--border); vertical-align: middle; }
.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(255,255,255,0.02);
    color: var(--text-muted);
}

/* Sidebar / Navbar */
.navbar-dark { background-color: var(--bg-card) !important; border-bottom: 1px solid var(--border); }
.navbar-brand { font-weight: 700; letter-spacing: -0.5px; }

/* Status Badges */
.badge { padding: 0.5em 0.8em; font-weight: 500; border-radius: 6px; }
.bg-unused { background-color: rgba(59, 130, 246, 0.1); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.2); }
.bg-active { background-color: rgba(16, 185, 129, 0.1); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.2); }
.bg-expired { background-color: rgba(239, 68, 68, 0.1); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.2); }
.bg-banned { background-color: rgba(255, 255, 255, 0.1); color: #cbd5e1; border: 1px solid rgba(255, 255, 255, 0.2); }