/* ==============================================
   Auth Pages CSS — NGO Samity Management System
   ============================================== */

:root {
    --primary:   #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #7c3aed;
    --success:   #059669;
    --warning:   #d97706;
    --danger:    #dc2626;
    --bg-dark:   #0f172a;
    --card-bg:   rgba(255,255,255,0.97);
}

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

body.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 50%, #0f172a 100%);
    background-size: 400% 400%;
    animation: gradientShift 10s ease infinite;
    font-family: 'Inter', 'Noto Serif Bengali', sans-serif;
    padding: 1.5rem;
}

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.auth-wrapper {
    width: 100%;
    max-width: 430px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: 0 25px 60px rgba(0,0,0,0.35);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    animation: slideUp 0.5s ease;
}

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

.auth-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.8rem;
    color: #fff;
    box-shadow: 0 8px 20px rgba(37,99,235,0.4);
}

.auth-logo {
    max-height: 72px;
    border-radius: 12px;
}

.auth-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.2rem;
}

.auth-subtitle {
    color: #64748b;
    font-size: 0.875rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(37,99,235,0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37,99,235,0.5);
    background: linear-gradient(135deg, var(--primary-dark), #6d28d9);
}

.alert { border-radius: 10px; font-size: 0.9rem; }