/* Global Vars & Reset */
:root {
    --primary-color: #0f172a;
    /* Slate 900 */
    --primary-hover: #1e293b;
    /* Slate 800 */
    --accent-color: #3b82f6;
    /* Blue 500 */
    --bg-color: #f8fafc;
    /* Slate 50 */
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --radius: 0.75rem;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    line-height: 1.6;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navbar - Professional Header Styles */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.875rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.navbar .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.025em;
    transition: opacity 0.2s ease;
    z-index: 1001;
    /* Ensure above mobile menu */
}

.logo:hover {
    opacity: 0.9;
}

/* Navigation Links */
.nav-links {
    list-style: none;
    display: flex;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links li a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links li a i {
    font-size: 1rem;
    opacity: 0.9;
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--primary-color);
    background: #f1f5f9;
}

.nav-links .btn-logout {
    margin-left: 0.5rem;
    color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.08);
    /* faint red bg */
    font-weight: 600;
}

.nav-links .btn-logout:hover {
    background: #ef4444;
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

/* Mobile Menu Toggle (Checkbox Hack) */
.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--primary-color);
    z-index: 1002;
    padding: 0.5rem;
}

#menu-checkbox {
    display: none;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.5rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        align-items: stretch;
        animation: slideDown 0.2s ease-out forwards;
    }

    /* Show menu when checkbox is checked */
    #menu-checkbox:checked~.nav-links {
        display: flex;
    }

    .nav-links li a {
        padding: 1rem;
        border-radius: 8px;
        background: var(--bg-color);
        justify-content: flex-start;
        font-size: 1rem;
    }

    .nav-links .btn-logout {
        margin-left: 0;
        margin-top: 0.5rem;
        justify-content: center;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Login Page */
.login-page {
    min-height: 100vh;
    background: #f8fafc;
    font-family: 'Inter', sans-serif;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 0 1rem;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid #e5e7eb;
}

.login-header {
    margin-bottom: 1.5rem;
}

.logo-container {
    margin-bottom: 1rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.logo-icon i {
    font-size: 1.5rem;
    color: white;
}

.login-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 0.25rem;
}

.login-header p {
    color: #64748b;
    font-size: 0.875rem;
    margin: 0;
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.375rem;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 1rem;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.2s;
    font-size: 1rem;
}

.password-toggle:hover {
    color: #6b7280;
}

.input-wrapper input {
    width: 100%;
    padding: 0.875rem 3rem 0.875rem 2.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background: #f9fafb;
}

.input-wrapper input:focus {
    outline: none;
    border-color: #3b82f6;
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}



.login-btn {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.login-footer p {
    font-size: 0.8rem;
    color: #9ca3af;
    margin: 0;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.alert-error i {
    color: #dc2626;
}



/* Responsive Design */
@media (max-width: 480px) {
    .login-page {
        padding: 1rem;
    }

    .login-card {
        padding: 1.25rem;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .logo-icon i {
        font-size: 1.25rem;
    }

    .login-header h2 {
        font-size: 1.375rem;
    }
}

/* Dashboard Grid */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0;
}

.page-title h1 {
    margin: 0;
    font-size: 1.8rem;
}

.page-title p {
    margin: 0;
    color: var(--text-muted);
}

.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.staff-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.staff-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-top {
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.card-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.card-meta h3 {
    margin: 0;
    font-size: 1.1rem;
}

.card-meta p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 99px;
    background: #e2e8f0;
    color: var(--text-muted);
    font-weight: 600;
    display: inline-block;
    margin-top: 0.5rem;
}

.card-actions {
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.action-link {
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-muted);
    transition: color 0.2s;
}

.action-link:hover {
    color: var(--primary-color);
}

.action-link.delete {
    color: var(--danger);
}

.action-link.delete:hover {
    color: #dc2626;
}

/* Forms */
.form-container {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 800px;
    margin: 2rem auto;
    border: 1px solid var(--border-color);
}

.form-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 2rem 0 1rem;
    border-bottom: 2px solid #f1f5f9;
    padding-bottom: 0.5rem;
}

.form-section-title:first-child {
    margin-top: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group.full {
    grid-column: 1 / -1;
}

label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

input,
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    box-sizing: border-box;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.btn-submit {
    background: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
}

.btn-submit:hover {
    background: #2563eb;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

@media (max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}