@font-face {
    font-family: 'Vazir';
    src: url('assets/fonts/Vazir/Vazir-Regular.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Vazir';
    src: url('assets/fonts/Vazir/Vazir-Bold.woff2') format('woff2');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

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

:root {
    --bg-black: #0a0a0a;
    --bg-dark: #111111;
    --bg-card: #1a1a1a;
    --bg-hover: #222222;
    --border: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-green: #00c853;
    --accent-green-dark: #009624;
    --accent-glow: rgba(0, 200, 83, 0.2);
    --danger: #ff4444;
    --danger-dark: #cc0000;
}

body {
    font-family: 'Vazir', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-black);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ========== صفحات ========== */
.login-page, .main-page {
    min-height: 100vh;
    display: none;
}

.login-page.active, .main-page.active {
    display: block;
}

/* ========== صفحه لاگین ========== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
}

.login-box {
    background: var(--bg-card);
    padding: 48px;
    border-radius: 32px;
    width: 100%;
    max-width: 450px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.login-icon i {
    font-size: 64px;
    color: var(--accent-green);
    margin-bottom: 20px;
}

.login-box h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.login-box p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.input-field {
    position: relative;
    margin-bottom: 20px;
}

.input-field i {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-field input {
    width: 100%;
    padding: 14px 48px 14px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.input-field input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

#login-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent-green);
    border: none;
    border-radius: 16px;
    color: var(--bg-black);
    font-weight: bold;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}

#login-btn:hover {
    background: var(--accent-green-dark);
    transform: translateY(-2px);
}

.error-message {
    margin-top: 16px;
    padding: 12px;
    background: rgba(255, 68, 68, 0.1);
    border-radius: 12px;
    color: var(--danger);
    font-size: 14px;
}

.hidden {
    display: none;
}

/* ========== هدر اپلیکیشن ========== */
.app-header {
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: bold;
}

.logo i {
    color: var(--accent-green);
    font-size: 28px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: 40px;
}

.user-badge i {
    color: var(--accent-green);
}

.logout-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s;
}

.logout-icon:hover {
    color: var(--danger);
    background: rgba(255, 68, 68, 0.1);
}

/* دکمه پروفایل در هدر */
.profile-nav-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s;
}

.profile-nav-btn:hover {
    color: var(--accent-green);
    background: rgba(0, 200, 83, 0.1);
}

/* ========== محتوای اصلی ========== */
.main-container {
    padding: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h2 {
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-green);
    border: none;
    color: var(--bg-black);
}

.btn-primary:hover {
    background: var(--accent-green-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
}

/* ========== نوار جستجو ========== */
.search-bar {
    position: relative;
    margin-bottom: 32px;
}

.search-bar i {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-bar input {
    width: 100%;
    padding: 14px 48px 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ========== کانتینر شرکت‌ها ========== */
.companies-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.company-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s;
}

.company-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-green);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.company-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-green);
}

.company-card p {
    color: var(--text-secondary);
    margin: 8px 0;
}

.company-card .company-stats {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-secondary);
}

/* ========== کانتینر دستگاه‌ها ========== */
.devices-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 20px;
}

.device-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
}

.device-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.device-header {
    background: var(--bg-dark);
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.device-header h4 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.device-type-badge {
    background: var(--accent-green);
    color: var(--bg-black);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.device-details {
    padding: 20px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-value {
    font-weight: 500;
    font-family: monospace;
    font-size: 14px;
}

.detail-value.password {
    letter-spacing: 2px;
}

.device-actions {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
}

.device-actions button {
    flex: 1;
    padding: 10px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.delete-device-btn {
    background: rgba(255, 68, 68, 0.1);
    color: var(--danger);
}

.delete-device-btn:hover {
    background: var(--danger);
    color: white;
}

/* ========== صفحه پروفایل ========== */
.profile-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 32px;
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.profile-avatar-section {
    background: var(--bg-dark);
    padding: 40px 24px;
    text-align: center;
    border-left: 1px solid var(--border);
}

.profile-avatar-large i {
    font-size: 100px;
    color: var(--accent-green);
    margin-bottom: 20px;
}

.profile-avatar-section h3 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.profile-avatar-section p {
    color: var(--text-secondary);
    font-size: 14px;
}

.profile-form-section {
    padding: 40px;
}

.profile-form-section .form-group {
    margin-bottom: 24px;
}

.profile-form-section .form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.profile-form-section .form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.profile-form-section .form-group input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.profile-actions {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.btn-danger {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
}

/* ========== مودال ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.modal-card {
    background: var(--bg-card);
    border-radius: 24px;
    width: 90%;
    max-width: 550px;
    max-height: 85vh;
    overflow: auto;
    border: 1px solid var(--border);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
}

#modal-body {
    padding: 24px;
}

/* فرم داخل مودال */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
}

/* وضعیت خالی */
.empty-state {
    text-align: center;
    padding: 60px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* انیمیشن */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ریسپانسیو */
@media (max-width: 768px) {
    .app-header {
        padding: 12px 16px;
    }
    
    .main-container {
        padding: 16px;
    }
    
    .companies-container,
    .devices-container {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-primary, .btn-secondary {
        justify-content: center;
    }
    
    .profile-container {
        grid-template-columns: 1fr;
    }
    
    .profile-avatar-section {
        border-left: none;
        border-bottom: 1px solid var(--border);
    }
    
    .profile-actions {
        flex-direction: column;
    }
    
    .profile-form-section {
        padding: 24px;
    }
}