/* License Management System - Salon Style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* License Colors - Blue & Gray */
    --primary-color: #5B9BD5;
    --primary-dark: #6C757D;
    --primary-hover: #5B9BD5;
    --secondary-color: #6C757D;

    /* Status Colors */
    --success-color: #10B981;
    --success-dark: #059669;
    --danger-color: #EF4444;
    --danger-dark: #DC2626;
    --warning-color: #F59E0B;
    --warning-dark: #D97706;
    --info-color: #3B82F6;
    --info-dark: #2563EB;

    /* Layout */
    --sidebar-width: 280px;
    --topbar-height: 70px;

    /* Text Colors */
    --text-dark: #1A202C;
    --text-light: #718096;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;

    /* Backgrounds */
    --bg-light: #F7FAFC;
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --white: #FFFFFF;

    /* Borders */
    --border-color: #E2E8F0;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 15px;
}

/* ===== LOGIN PAGE ===== */
body:not(.admin-layout) {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: #dce4ec;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 304 304' width='304' height='304'%3E%3Cpath fill='%23b8c5d6' fill-opacity='0.4' d='M44.1 224a5 5 0 1 1 0 2H0v-2h44.1zm160 48a5 5 0 1 1 0 2H82v-2h122.1zm57.8-46a5 5 0 1 1 0-2H304v2h-42.1zm0 16a5 5 0 1 1 0-2H304v2h-42.1zm6.2-114a5 5 0 1 1 0 2h-86.2a5 5 0 1 1 0-2h86.2zm-256-48a5 5 0 1 1 0 2H0v-2h12.1zm185.8 34a5 5 0 1 1 0-2h86.2a5 5 0 1 1 0 2h-86.2zM258 12.1a5 5 0 1 1-2 0V0h2v12.1zm-64 208a5 5 0 1 1-2 0v-54.2a5 5 0 1 1 2 0v54.2zm48-198.2V80h62v2h-64V21.9a5 5 0 1 1 2 0zm16 16V64h46v2h-48V37.9a5 5 0 1 1 2 0zm-128 96V208h16v12.1a5 5 0 1 1-2 0V210h-16v-76.1a5 5 0 1 1 2 0zm-5.9-21.9a5 5 0 1 1 0 2H114v48H85.9a5 5 0 1 1 0-2H112v-48h12.1zm-6.2 130a5 5 0 1 1 0-2H176v-74.1a5 5 0 1 1 2 0V242h-60.1zm-16-64a5 5 0 1 1 0-2H114v48h10.1a5 5 0 1 1 0 2H112v-48h-10.1zM66 284.1a5 5 0 1 1-2 0V274H50v30h-2v-32h18v12.1zM236.1 176a5 5 0 1 1 0 2H226v94h48v32h-2v-30h-48v-98h12.1zm25.8-30a5 5 0 1 1 0-2H274v44.1a5 5 0 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0 0 0-5.66 0h-2.07a5 5 0 0 1 9.8 0zM5.9 0A5.02 5.02 0 0 1 0 5.9V3.83A3 3 0 0 0 3.83 0H5.9zm294.2 0h2.07A3 3 0 0 0 304 3.83V5.9a5 5 0 0 1-3.9-5.9zm3.9 300.1v2.07a3 3 0 0 0-1.83 1.83h-2.07a5 5 0 0 1 3.9-3.9zM97 100a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-48 32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 48a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-64a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 96a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-144a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-96 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm96 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-64a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-32 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM49 36a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-32 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM33 68a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-48a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 240a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-64a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm80-176a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 48a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm112 176a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm-16 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM17 180a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0 16a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm0-32a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16 0a3 3 0 1 0 0-6 3 3 0 0 0 0 6zM17 84a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm32 64a3 3 0 1 0 0-6 3 3 0 0 0 0 6zm16-16a3 3 0 1 0 0-6 3 3 0 0 0 0 6z'%3E%3C/path%3E%3C/svg%3E");
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 2rem;
}

.login-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s ease-out;
}

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

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.login-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.6rem;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.9rem 1.1rem;
    font-size: 0.95rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--white);
    color: var(--text-dark);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(91, 155, 213, 0.25);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(91, 155, 213, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--success-dark) 100%);
    color: var(--white);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, var(--warning-dark) 100%);
    color: var(--white);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-dark) 100%);
    color: var(--white);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, var(--info-dark) 100%);
    color: var(--white);
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== ADMIN LAYOUT ===== */
.admin-layout {
    background: var(--bg-light);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--white);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s ease;
    box-shadow: 2px 0 15px rgba(0, 0, 0, 0.05);
    border-right: 1px solid var(--border-color);
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-header {
    padding: 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--white);
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.5rem;
    margin: 0.3rem 1rem;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-item:hover {
    background: var(--bg-light);
    color: var(--text-dark);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(91, 155, 213, 0.3);
}

.nav-icon {
    font-size: 1.3rem;
    width: 24px;
    text-align: center;
}

.nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 1rem 1.5rem;
}

.sidebar-footer {
    padding: 1rem 1.2rem;
    border-top: 1px solid var(--border-color);
    background: var(--white);
}

.user-profile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

.sidebar-footer .user-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex: 1;
    min-width: 0;
}

.sidebar-footer .user-avatar {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
    flex: 1;
}

.sidebar-footer .user-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 0.75rem;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-logout {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    color: var(--text-dark);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.btn-logout:hover {
    background: var(--danger-color);
    color: var(--white);
    transform: translateX(3px);
}

/* License Status Card */
.license-status-card {
    padding: 1.2rem;
    margin-bottom: 1rem;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.license-status-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.license-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.9rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
}

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

.license-status-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.license-status-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.license-status-expiry {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Top Header */
.top-header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: var(--white);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    transition: left 0.3s ease;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: none;
}

.sidebar-toggle:hover {
    background: var(--bg-light);
}

.sidebar-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--primary-color);
    margin: 5px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.header-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.user-avatar {
    font-size: 1.8rem;
}

.user-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.btn-logout-header {
    padding: 0.6rem 1.2rem;
    background: var(--bg-light);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-logout-header:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    min-height: calc(100vh - var(--topbar-height));
    padding: 2rem;
    transition: margin-left 0.3s ease;
}

.main-content.expanded {
    margin-left: 0;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.page-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
}

.page-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border-radius: 16px;
    padding: 1.8rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-card-warning {
    border-color: var(--warning-color);
}

.stat-card-warning::before {
    background: linear-gradient(135deg, var(--warning-color) 0%, var(--warning-dark) 100%);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

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

.card-header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 16px 16px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.card-title {
    margin: 0;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.1rem;
}

.card-body {
    padding: 1.5rem;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.table thead th {
    background: var(--bg-light);
    color: var(--text-dark);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    padding: 1.1rem 1rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
    text-align: left;
}

.table tbody tr {
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--bg-light);
}

.table tbody tr:last-child {
    border-bottom: none;
}

.table td {
    padding: 1.1rem 1rem;
    vertical-align: middle;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-success {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--success-dark) 100%);
    color: var(--white);
}

.badge-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-dark) 100%);
    color: var(--white);
}

.badge-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, var(--warning-dark) 100%);
    color: var(--white);
}

.badge-info {
    background: linear-gradient(135deg, var(--info-color) 0%, var(--info-dark) 100%);
    color: var(--white);
}

.badge-secondary {
    background: var(--bg-light);
    color: var(--text-light);
}

/* Alerts */
.alert {
    padding: 1rem 1.2rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    font-size: 0.95rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
    color: var(--success-dark);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-dark);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-dark);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--info-color);
    color: var(--info-dark);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Form Rows */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: block;
    }

    .top-header {
        left: 0;
    }

    .main-content {
        margin-left: 0;
    }

    .header-title {
        font-size: 1.2rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-actions {
        width: 100%;
    }

    .page-actions .btn {
        flex: 1;
    }

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

    .stat-value {
        font-size: 1.8rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .table {
        font-size: 0.85rem;
    }

    .table td,
    .table th {
        padding: 0.8rem 0.6rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 2rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .stat-icon {
        font-size: 2rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}