:root {
    --primary-color: #4361ee;
    --primary-hover: #3a56d4;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --text-color: #2b3445;
    --text-muted: #7d879c;
}

[data-bs-theme="dark"] {
    --primary-color: #4361ee;
    --primary-hover: #3a56d4;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --glass-bg: rgba(30, 41, 59, 0.85);
    --glass-border: 1px solid rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 480px;
    perspective: 1000px;
}

.auth-card {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 24px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: 40px;
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    position: relative;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #4361ee, #3a0ca3, #f72585);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.auth-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    margin: 0 0 8px 0;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    padding-left: 44px;
    font-size: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-color);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

[data-bs-theme="dark"] .form-control {
    background: rgba(15, 23, 42, 0.5);
    border-color: #334155;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: transparent;
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
}

.form-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 18px;
    pointer-events: none;
    transition: color 0.3s ease;
}

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

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

[data-bs-theme="dark"] .auth-footer {
    border-top-color: rgba(255, 255, 255, 0.05);
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.2s;
}

.auth-link:hover {
    text-decoration: underline;
}

.alert {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}


/* Language Dropdown */
.lang-dropdown {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    padding: 8px 12px;
    border-radius: 30px;
    border: var(--glass-border);
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-1px);
}

[data-bs-theme="dark"] .lang-toggle:hover {
    background: rgba(30, 41, 59, 0.7);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(12px);
    min-width: 160px;
    display: none;
    overflow: hidden;
    padding: 4px;
}

.lang-menu.show {
    display: block;
    animation: fadeIn 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.lang-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    border-radius: 8px;
    transition: background 0.2s;
}

.lang-item:hover {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
}

.lang-flag {
    font-size: 16px;
}

/* Company Logo */
.auth-logo-img {
    max-height: 60px;
    max-width: 200px;
    object-fit: contain;
    margin-bottom: 20px;
    display: inline-block;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    border: 2px solid #cbd5e1;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-check-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    animation: fadeIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
    }
}