:root {
    --primary-gold: #d4af37;
    --secondary-gold: #f4d03f;
    --deep-navy: #1a2332;
    --soft-navy: #2c3e50;
    --light-gray: #f8f9fa;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-light: #adb5bd;
    --gradient-primary: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    --gradient-secondary: linear-gradient(135deg, #1a2332 0%, #2c3e50 100%);
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --shadow-soft: 0 20px 40px rgba(0,0,0,0.1);
    --shadow-medium: 0 30px 60px rgba(0,0,0,0.15);
    --shadow-strong: 0 40px 80px rgba(0,0,0,0.2);
    --border-radius: 20px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.login-page {
    font-family: 'Inter', sans-serif;
    background: var(--gradient-bg);
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(244, 208, 63, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 30s ease-in-out infinite;
    z-index: 1;
}

.login-page::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    animation: drift 40s linear infinite;
    z-index: 2;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
}

@keyframes drift {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(-20px) translateY(-20px); }
}

.login-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 800px;
    margin: 0 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-strong);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.logo-section {
    text-align: center;
    margin-bottom: 0;
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

.logo-img {
    width: 250px;
    height: 160px;
    object-fit: contain;
    transition: var(--transition);
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.15));
    animation: pulse-logo 2s ease-in-out infinite;
}

.logo-img:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 12px 25px rgba(0, 0, 0, 0.2));
    animation: none;
}

@keyframes pulse-logo {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.05);
        opacity: 0.95;
    }
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.clinic-name {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
    letter-spacing: -0.5px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.clinic-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 2px;
}

.clinic-description {
    font-size: 10px;
    color: var(--text-light);
    font-weight: 400;
    margin-top: 2px;
}

.form-section {
    margin-bottom: 20px;
}

.form-group { 
    margin-bottom: 18px; 
    position: relative; 
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: block;
    letter-spacing: 0.5px;
}

.input-group { position: relative; }

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 400;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
    outline: none;
    font-family: 'Inter', sans-serif;
}

.form-control:focus {
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
    background: white;
    transform: translateY(-2px);
}

.form-control::placeholder { color: var(--text-light); font-weight: 400; }

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 14px;
    z-index: 5;
    transition: var(--transition);
}

.form-control:focus + .input-icon { color: var(--primary-gold); }

.password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    z-index: 5;
    padding: 6px;
    border-radius: 50%;
    min-width: 40px;
    min-height: 40px;
}

.password-toggle:hover { color: var(--primary-gold); background: rgba(212, 175, 55, 0.1); }

.login-btn {
    width: 100%;
    padding: 14px 16px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.login-btn:hover::before { left: 100%; }
.login-btn:hover { transform: translateY(-3px); box-shadow: 0 15px 35px rgba(212, 175, 55, 0.4); }
.login-btn:active { transform: translateY(-1px); }

.forgot-password { text-align: center; margin: 15px 0; }

.forgot-password a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.forgot-password a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gold);
    transition: width 0.3s ease;
}

.forgot-password a:hover::after { width: 100%; }

.register-link { text-align: center; margin-top: 20px; padding-top: 15px; border-top: 1px solid rgba(233, 236, 239, 0.5); }
.register-link p { color: var(--text-light); font-size: 12px; margin-bottom: 10px; font-weight: 400; }

.register-link a {
    color: var(--primary-gold);
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    transition: var(--transition);
    position: relative;
    padding: 6px 14px;
    border: 2px solid var(--primary-gold);
    border-radius: 18px;
    display: inline-block;
}

.register-link a:hover { background: var(--primary-gold); color: white; transform: translateY(-2px); box-shadow: 0 6px 15px rgba(212, 175, 55, 0.3); }

.system-info { margin-top: 20px; padding-top: 15px; border-top: 1px solid rgba(233, 236, 239, 0.5); text-align: center; }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.info-item { background: rgba(248, 249, 250, 0.8); padding: 8px 10px; border-radius: 6px; font-size: 10px; color: var(--text-secondary); font-weight: 500; transition: var(--transition); }
.info-item:hover { background: rgba(212, 175, 55, 0.1); color: var(--primary-gold); }
.info-item i { margin-right: 5px; color: var(--primary-gold); font-size: 11px; }
.time-display { font-size: 11px; color: var(--text-light); font-weight: 500; letter-spacing: 1px; }

.form-control.error { border-color: #e74c3c; box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.1); }
.error-message { color: #e74c3c; font-size: 12px; margin-top: 8px; display: none; font-weight: 500; }
.form-control.error + .error-message { display: block; }

/* Loading Spinner Animation */
.login-btn.loading {
    position: relative;
    pointer-events: none;
}

.login-btn.loading .btn-text {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.login-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spinner-rotate 0.8s linear infinite;
}

@keyframes spinner-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .login-card { grid-template-columns: 1fr; gap: 24px; padding: 24px 20px; max-width: 460px; border-radius: 24px; }
    .logo-section { margin-bottom: 20px; }
    .clinic-name { font-size: 22px; }
    .clinic-subtitle { font-size: 10px; }
    .clinic-description { font-size: 9px; }
    .form-control { padding: 12px 14px; font-size: 15px; min-height: 44px; }
    .input-icon { left: 12px; font-size: 14px; }
    .info-grid { grid-template-columns: 1fr; gap: 8px; }
    .logo-img { width: 140px; height: 120px; }
}

@media (max-width: 480px) {
    .login-card { padding: 20px 16px; margin: 0 12px; gap: 18px; border-radius: 24px; min-height: calc(100svh - 24px); display: flex; flex-direction: column; justify-content: space-between; }
    .clinic-name { font-size: 21px; }
    .clinic-subtitle { font-size: 9px; }
    .clinic-description { font-size: 9px; }
    .form-control { padding: 12px 12px; font-size: 14px; min-height: 46px; }
    .input-icon { left: 10px; font-size: 13px; }
    .password-toggle { right: 10px; }
    .login-btn { padding: 14px; font-size: 14px; border-radius: 12px; }
    .logo-img { width: 110px; height: 100px; }
    .register-link a { padding: 6px 12px; }
    .system-info { opacity: .95; }
}

/* Very small devices */
@media (max-width: 360px) {
    .login-card { padding: 16px 12px; margin: 0 10px; }
    .clinic-name { font-size: 18px; }
    .form-label { font-size: 12px; }
    .form-control { padding: 10px 10px 10px 32px; font-size: 12px; }
    .input-icon { left: 9px; font-size: 12px; }
    .login-btn { font-size: 12px; }
    .info-item { font-size: 9px; }
    .time-display { font-size: 10px; }
    .system-info { display: none; }
}

/* Short viewports (landscape phones) */
@media (max-height: 600px) and (max-width: 900px) {
    .login-card { padding: 16px; gap: 14px; }
    .logo-section { margin-bottom: 8px; }
    .system-info { margin-top: 12px; padding-top: 10px; }
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.form-control:focus,
.login-btn:focus,
.password-toggle:focus { outline: 2px solid var(--primary-gold); outline-offset: 2px; }

/* Social Links */
.social-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-top: 28px;
}

.social-link {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.social-link i {
    font-size: 24px;
    z-index: 2;
    position: relative;
    transition: transform 0.3s ease;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
    z-index: 1;
}

.social-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.social-link:hover i {
    transform: scale(1.1);
}

.social-link-facebook {
    background: linear-gradient(135deg, #1877f2 0%, #0d5dbf 100%);
    color: white;
}

.social-link-facebook:hover {
    box-shadow: 0 8px 24px rgba(24, 119, 242, 0.4);
}

.social-link-instagram {
    background: linear-gradient(135deg, #f58529 0%, #dd2a7b 50%, #8134af 100%);
    color: white;
}

.social-link-instagram:hover {
    box-shadow: 0 8px 24px rgba(221, 42, 123, 0.4);
}

.social-link:active {
    transform: translateY(-2px);
}

@keyframes slideIn { from { transform: translateX(100%) scale(0.8); opacity: 0; } to { transform: translateX(0) scale(1); opacity: 1; } }
@keyframes slideOut { from { transform: translateX(0) scale(1); opacity: 1; } to { transform: translateX(100%) scale(0.8); opacity: 0; } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
.form-control:focus { animation: pulse 0.3s ease-in-out; }