/**
 * Login Page Styles
 * Modern, Professional, and Beautiful Design
 */

/* ============================================================================
   Variables & Base
   ============================================================================ */
:root {
    --primary: #D4AF37;
    --primary-dark: #B8941F;
    --primary-light: #E5C158;
    --bg-dark: #0f0f0f;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-muted: #a0a0a0;
    --border-color: #2a2a2a;
    --success: #22c55e;
    --danger: #ef4444;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ============================================================================
   Login Page Layout
   ============================================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 50%, #0f0f0f 100%);
    position: relative;
    overflow: hidden;
    font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Animated Background */
.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

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

/* ============================================================================
   Login Container
   ============================================================================ */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

/* ============================================================================
   Top Actions
   ============================================================================ */
.top-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 0 10px;
}

.top-actions > * {
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.brand i {
    font-size: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-toggle:hover {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

/* ============================================================================
   Login Box
   ============================================================================ */
.login-box {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    animation: slideUp 0.5s ease;
}

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

/* ============================================================================
   Login Header
   ============================================================================ */
.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.logo i {
    font-size: 4rem;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(212, 175, 55, 0.3));
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* ============================================================================
   Error Message
   ============================================================================ */
.error-message {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: 12px;
    color: var(--danger);
    margin-bottom: 25px;
    animation: shake 0.5s ease;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

.error-message i {
    font-size: 1.2rem;
}

/* ============================================================================
   Login Form
   ============================================================================ */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
    transition: transform 0.2s ease;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.form-group label i {
    color: var(--primary);
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

/* Show Password Button */
.show-password {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    transition: color 0.3s ease;
    margin-top: 15px;
}

.show-password:hover {
    color: var(--primary);
}

.show-password.active {
    color: var(--primary);
}

/* RTL Support */
[dir="rtl"] .show-password {
    left: auto;
    right: 15px;
}

/* ============================================================================
   Login Button
   ============================================================================ */
.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
    border-radius: 12px;
    color: #000;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    margin-top: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

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

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-btn.loading {
    pointer-events: none;
}

.login-btn.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ============================================================================
   Login Footer
   ============================================================================ */
.login-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */
@media (max-width: 768px) {
    .login-container {
        max-width: 100%;
        padding: 15px;
    }

    .login-box {
        padding: 30px 25px;
    }

    .logo i {
        font-size: 3rem;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .brand {
        font-size: 1.2rem;
    }

    .brand i {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .top-actions {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }

    .brand {
        justify-content: center;
    }

    .lang-toggle {
        justify-content: center;
    }

    .login-box {
        padding: 25px 20px;
    }
}

/* ============================================================================
   Light Theme Support
   ============================================================================ */
body.light-theme .login-page {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 50%, #f5f5f5 100%);
}

body.light-theme .login-page::before {
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
}

body.light-theme .login-box {
    background: #ffffff;
    border-color: #e0e0e0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

body.light-theme .logo h1,
body.light-theme .form-group label,
body.light-theme .form-group input {
    color: #1a1a1a;
}

body.light-theme .form-group input {
    background: #f5f5f5;
    border-color: #e0e0e0;
}

body.light-theme .form-group input:focus {
    border-color: var(--primary);
    background: #ffffff;
}

body.light-theme .lang-toggle {
    background: #ffffff;
    border-color: #e0e0e0;
    color: #1a1a1a;
}

body.light-theme .copyright {
    color: #666;
}

/* ============================================================================
   Print Styles
   ============================================================================ */
@media print {
    .login-page {
        display: none;
    }
}