/* ===========================
   ADMIN STYLES
   =========================== */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff006e;
    --accent-color: #8f00ff;
    --dark-bg: #0a0e27;
    --dark-secondary: #1a1f3a;
    --dark-tertiary: #2d3561;
    --text-primary: #e0e7ff;
    --text-secondary: #a0aec0;
    --border-color: #2d3561;
    --success-color: #10b981;
    --error-color: #ef4444;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

/* ===========================
   AUTHENTICATION
   =========================== */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.auth-card {
    background: var(--dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 3rem;
    max-width: 400px;
    width: 100%;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.1);
    animation: slideInUp 0.6s ease-out;
}

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

.auth-card h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

#googleLoginBtn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    background: #ffffff;
    color: #1f2937;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

#googleLoginBtn:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

#googleLoginBtn svg {
    width: 20px;
    height: 20px;
}

.divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px;
    background: var(--dark-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--dark-bg);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: var(--dark-tertiary);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

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

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

.btn-danger:hover {
    opacity: 0.8;
}

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

.form-message {
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    display: none;
    animation: slideInUp 0.4s ease-out;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    display: block;
}

/* ===========================
   ADMIN LAYOUT
   =========================== */
.menu-toggle {
    display: none; /* Hidden by default, shown on mobile */
}

.admin-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--dark-secondary);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1rem;
    position: fixed;
    width: 250px;
    height: 100vh;
    overflow-y: auto;
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.sidebar-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h2 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logout-btn {
    background: var(--error-color);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition);
}

.logout-btn:hover {
    opacity: 0.8;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    padding: 12px 1rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: var(--transition);
    font-weight: 500;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
    border-left-color: var(--primary-color);
}

.admin-main {
    margin-left: 250px;
    padding: 2rem;
    animation: slideInRight 0.5s ease-out;
}

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

.admin-section {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.admin-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.8rem;
}

/* ===========================
   DASHBOARD
   =========================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--dark-secondary), var(--dark-tertiary));
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
    transform: translateY(-5px);
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: var(--text-secondary);
    font-weight: 600;
}

/* ===========================
   ITEMS LIST
   =========================== */
.items-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.item-card {
    background: var(--dark-secondary);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 10px;
    transition: var(--transition);
    animation: slideInUp 0.4s ease-out forwards;
    opacity: 0;
}

.item-card:nth-child(1) { animation-delay: 0.1s; }
.item-card:nth-child(2) { animation-delay: 0.2s; }
.item-card:nth-child(3) { animation-delay: 0.3s; }

.item-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.item-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.item-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition);
}

.item-btn.edit {
    background: var(--primary-color);
    color: var(--dark-bg);
}

.item-btn.edit:hover {
    opacity: 0.8;
}

.item-btn.delete {
    background: var(--error-color);
    color: white;
}

.item-btn.delete:hover {
    opacity: 0.8;
}

.item-content p {
    color: var(--text-secondary);
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.item-tag {
    display: inline-block;
    background: var(--dark-tertiary);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* ===========================
   MODAL
   =========================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideInUp 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.3rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.modal-actions button {
    flex: 1;
}

/* ===========================
   FORM CONTAINER
   =========================== */
.form-container {
    background: var(--dark-secondary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 10px;
}

.form-container form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ===========================
   INQUIRY DISPLAY
   =========================== */
.inquiry-item {
    background: var(--dark-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.inquiry-item:hover {
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
}

.inquiry-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.inquiry-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.inquiry-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.inquiry-status.new {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.inquiry-status.replied {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
}

.inquiry-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.inquiry-message {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--dark-tertiary);
    border-radius: 5px;
}

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

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 1024px) {
    .admin-main {
        padding: 1.5rem;
    }

    .items-list {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 90%;
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .admin-container {
        grid-template-columns: 1fr;
    }

    .menu-toggle {
        display: flex; /* Show on mobile */
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 250px;
        height: 100vh;
        z-index: 1000;
        transition: var(--transition);
        border-right: 1px solid var(--border-color);
        overflow-y: auto;
    }

    .sidebar.active {
        left: 0;
    }

    .sidebar-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid var(--border-color);
        margin-bottom: 1rem;
    }

    .sidebar-nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav-item {
        width: 100%;
        text-align: left;
        padding: 12px 1rem;
    }

    /* Hamburger Menu Button */
    .menu-toggle {
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 999;
        background: var(--dark-tertiary);
        border: 1px solid var(--border-color);
        padding: 10px;
        border-radius: 5px;
        cursor: pointer;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .menu-toggle span {
        width: 25px;
        height: 3px;
        background: var(--primary-color);
        border-radius: 2px;
        transition: var(--transition);
    }

    .admin-main {
        margin-left: 0;
        padding: 1rem;
        padding-top: 4rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .section-header button {
        width: 100%;
    }

    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }

    .auth-card {
        padding: 2rem;
    }

    .item-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .item-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 1.5rem;
    }

    .auth-card h1 {
        font-size: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.3rem;
    }

    .stat-card h3 {
        font-size: 2rem;
    }

    .stat-card p {
        font-size: 0.9rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .modal-content {
        padding: 1rem;
    }

    .modal-header h3 {
        font-size: 1.2rem;
    }

    .btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    #googleLoginBtn {
        font-size: 0.9rem;
        padding: 10px;
    }

    .item-card {
        padding: 1rem;
    }

    .inquiry-item {
        padding: 1rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}