@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Kufi+Arabic:wght@300;400;500;600;700&display=swap');

:root {
    /* نظام ألوان احترافي */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #64748b;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-disabled: #cbd5e1;
    --border: #e2e8f0;
    --border-focus: #2563eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Noto Kufi Arabic', 'Inter', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* الحاوية الرئيسية */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* الهيدر */
.app-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    box-shadow: var(--shadow-sm);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.language-switcher {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.language-switcher:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* المحتوى الرئيسي */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

/* بطاقة تسجيل الدخول */
.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.card-header {
    background: var(--primary);
    color: white;
    padding: 32px 24px;
    text-align: center;
}

.card-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 28px;
}

.card-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.card-body {
    padding: 32px 24px;
}

/* نموذج تسجيل الدخول */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 16px;
    font-family: inherit;
    background: var(--surface);
    color: var(--text-primary);
    transition: all 0.2s;
}

.form-input:hover {
    border-color: var(--text-disabled);
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.input-icon {
    position: absolute;
    right: 16px;
    color: var(--text-secondary);
    font-size: 18px;
    pointer-events: none;
}

.form-input:focus ~ .input-icon {
    color: var(--primary);
}

/* خيارات النموذج */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-label {
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.forgot-password {
    font-size: 14px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.forgot-password:hover {
    opacity: 0.8;
}

/* زر تسجيل الدخول */
.submit-button {
    width: 100%;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}

.submit-button:hover {
    background: var(--primary-dark);
}

.submit-button:active {
    transform: scale(0.98);
}

.submit-button:disabled {
    background: var(--text-disabled);
    cursor: not-allowed;
}

.button-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none;
}

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

.submit-button.loading .button-text {
    display: none;
}

.submit-button.loading .button-spinner {
    display: block;
}

/* رسالة الخطأ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.alert-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-icon {
    font-size: 16px;
}

/* الفوتر */
.card-footer {
    padding: 24px;
    background: #f9fafb;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

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

/* فوتر التطبيق */
.app-footer {
    padding: 16px 24px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
}

/* التجاوب */
@media (max-width: 640px) {
    .app-header {
        padding: 12px 16px;
    }

    .header-content {
        gap: 12px;
    }

    .logo-text {
        font-size: 16px;
    }

    .language-switcher {
        padding: 6px 12px;
        font-size: 13px;
    }

    .main-content {
        padding: 16px;
    }

    .card-header {
        padding: 24px 20px;
    }

    .card-body {
        padding: 24px 20px;
    }

    .card-title {
        font-size: 20px;
    }

    .form-input {
        padding: 10px 14px 10px 40px;
        font-size: 16px;
    }
}

/* وضع الظلام (اختياري) */
@media (prefers-color-scheme: dark) {
    :root {
        --background: #0f172a;
        --surface: #1e293b;
        --text-primary: #f1f5f9;
        --text-secondary: #94a3b8;
        --text-disabled: #475569;
        --border: #334155;
        --border-focus: #3b82f6;
    }

    .language-switcher {
        background: var(--surface);
    }

    .form-input {
        background: var(--surface);
    }

    .card-footer {
        background: #1a202c;
    }

    .alert-error {
        background: rgba(239, 68, 68, 0.1);
        border-color: rgba(239, 68, 68, 0.3);
    }
}

/* دعم RTL */
[dir="rtl"] .form-input {
    padding: 12px 44px 12px 16px;
}

[dir="rtl"] .input-icon {
    right: auto;
    left: 16px;
}