@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;600&family=Source+Sans+3:wght@300;400;500;600&display=swap');

:root {
    --primary:    #1E3A5F;
    --primary-dk: #0F1F33;
    --accent:     #C41E3A;
    --accent-dk:  #9B1B30;
    --white:      #FFFFFF;
    --gray-100:   #F1F5F9;
    --gray-200:   #E2E8F0;
    --gray-400:   #94A3B8;
    --gray-600:   #475569;
    --gray-700:   #1E293B;
    --success:    #059669;
    --danger:     #DC2626;
    --font-d: 'Playfair Display', Georgia, serif;
    --font-b: 'Source Sans 3', -apple-system, sans-serif;
    --radius: 12px;
    --shadow: 0 16px 48px rgba(15,23,42,.2);
}

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

body {
    font-family: var(--font-b);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, #0D2137 50%, var(--primary-dk) 100%);
    position: relative;
    overflow: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: -20%; right: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(196,30,58,.18) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%; left: -10%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(196,30,58,.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translate(0,0) scale(1); }
    50% { transform: translate(30px,-30px) scale(1.05); }
}

.login-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--white);
    padding: 48px 40px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    animation: slideUp .5s ease-out;
    position: relative;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
    border-radius: 24px 24px 0 0;
}

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

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-icon { font-size: 3rem; display: block; margin-bottom: .75rem; }

.login-header h1 {
    font-family: var(--font-d);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: .375rem;
}

.login-header p {
    font-size: .9rem;
    color: var(--gray-400);
}

.alert {
    padding: .875rem 1rem;
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    border-left: 4px solid;
    animation: shake .4s ease;
}

.alert-error { background: #FEE2E2; color: #7F1D1D; border-color: var(--danger); }

@keyframes shake {
    0%,100%{transform:translateX(0)} 25%{transform:translateX(-6px)} 75%{transform:translateX(6px)}
}

.login-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: .375rem; }

.form-group label {
    font-size: .75rem;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.form-group input {
    padding: .875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: var(--font-b);
    font-size: .95rem;
    color: var(--gray-700);
    outline: none;
    transition: 200ms ease;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30,58,95,.1);
}

.form-group input::placeholder { color: var(--gray-400); }

.btn-login {
    padding: .875rem;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-b);
    font-size: .95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    cursor: pointer;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dk) 100%);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(196,30,58,.3);
    transition: 200ms ease;
    position: relative;
    overflow: hidden;
}

.btn-login:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(196,30,58,.4); }
.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.btn-login.loading::after {
    content: '';
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    margin-left: .5rem;
    vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--gray-400);
    font-size: .75rem;
}

/* Logout extras */
.logout-icon { font-size: 3.5rem; display: block; text-align: center; margin-bottom: 1rem; }
.logout-title { font-family: var(--font-d); font-size: 1.5rem; font-weight: 500; text-align: center; color: var(--gray-700); margin-bottom: .5rem; }
.logout-msg { text-align: center; font-size: .95rem; color: var(--gray-400); margin-bottom: .25rem; }
.logout-user { text-align: center; font-weight: 600; color: var(--primary); margin-bottom: 1.5rem; }

.redirect-box {
    background: #E0F2FE;
    padding: 1rem;
    border-radius: var(--radius);
    text-align: center;
    color: #075985;
    font-size: .9rem;
    margin-bottom: 1rem;
}

.progress-bar {
    height: 5px;
    background: rgba(7,89,133,.15);
    border-radius: 3px;
    margin-top: .75rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 3px;
    animation: progress 5s linear forwards;
}

@keyframes progress { from { width: 0; } to { width: 100%; } }

@media (max-width: 480px) {
    .login-card { padding: 36px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}