/* Admin Panel Styles */

/* Login Screen */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.login-container {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 450px;
    width: 100%;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.login-form input {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn-login {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.login-error {
    color: #ef4444;
    background: #fee2e2;
    padding: 0.75rem;
    border-radius: 8px;
    margin-top: 1rem;
    display: none;
    font-weight: 600;
}

.login-error.show {
    display: block;
}

.login-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-info code {
    background: #f1f5f9;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    color: #667eea;
    font-weight: 600;
}

.back-home {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.back-home:hover {
    color: #667eea;
}

/* Admin Dashboard */
.admin-dashboard {
    min-height: 100vh;
    background: var(--background);
}

.admin-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    box-shadow: var(--shadow);
}

.admin-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
}

.btn-logout {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Admin Main */
.admin-main {
    padding: 3rem 0;
}

/* Statistics */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

/* Toolbar */
.admin-toolbar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #cbd5e1;
}

/* Phones List */
.phones-list {
    display: grid;
    gap: 1.5rem;
}

.phone-item {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 1.5rem;
    align-items: center;
    transition: all 0.3s ease;
}

.phone-item:hover {
    box-shadow: var(--shadow-lg);
}

.phone-item-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.phone-item-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.phone-item-details {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.phone-detail {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.phone-detail strong {
    color: var(--text-primary);
}

.phone-item-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-edit, .btn-delete {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.btn-edit {
    background: var(--primary-color);
    color: white;
}

.btn-edit:hover {
    background: var(--primary-hover);
}

.btn-delete {
    background: #ef4444;
    color: white;
}

.btn-delete:hover {
    background: #dc2626;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--text-primary);
}

.phone-form {
    padding: 2rem;
}

.phone-form .form-group {
    margin-bottom: 1.5rem;
}

.phone-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.phone-form input,
.phone-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

.phone-form small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding-top: 1rem;
}

.btn-cancel, .btn-save {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cancel {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-cancel:hover {
    background: #cbd5e1;
}

.btn-save {
    background: var(--primary-color);
    color: white;
}

.btn-save:hover {
    background: var(--primary-hover);
}

/* Tabs Navigation */
.admin-tabs {
    display: flex;
    gap: 1rem;
    background: white;
    padding: 1rem;
    border-radius: 12px;
    margin-top: 2rem;
    box-shadow: var(--shadow);
}

.tab-button {
    flex: 1;
    padding: 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.tab-button:hover {
    background: var(--background);
    color: var(--text-primary);
}

.tab-button.active {
    background: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Settings Section */
.settings-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.settings-section h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.settings-form .form-group {
    margin-bottom: 1.5rem;
}

.settings-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.settings-form input,
.settings-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

.settings-form small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.settings-form small a {
    color: var(--primary-color);
    text-decoration: none;
}

.settings-form small a:hover {
    text-decoration: underline;
}

.settings-section ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.settings-section ul a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.settings-section ul a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .login-container {
        padding: 2rem;
    }

    .admin-header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .phone-item {
        grid-template-columns: 80px 1fr;
        gap: 1rem;
    }

    .phone-item-actions {
        grid-column: 1 / -1;
        justify-content: flex-end;
    }

    .admin-toolbar {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .admin-tabs {
        flex-direction: column;
    }

    .tab-button {
        width: 100%;
    }
}