/**
 * Pharma Pro - Main Stylesheet
 * Professional Pharmacy Management Theme
 */

/* ========== CSS Variables ========== */
:root {
    --primary-color: #0066CC;
    --primary-dark: #004A99;
    --primary-light: #E6F2FF;
    --secondary-color: #00AA55;
    --accent-color: #FF6B35;
    
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --info-color: #17A2B8;
    
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --border-color: #DFE6E9;
    --bg-light: #F8F9FA;
    --bg-lights: #8E8E8E;
    --bg-white: #FFFFFF;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    --sidebar-width: 260px;
    --header-height: 65px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.6;
}

/* ========== Header ========== */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sidebar-toggle {
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 18px;
}

.sidebar-toggle:hover {
    background: rgba(255,255,255,0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
}

.logo i {
    font-size: 28px;
}

.header-center {
    flex: 1;
    max-width: 600px;
    padding: 0 30px;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.6);
}

.search-box input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 25px;
    color: white;
    font-size: 14px;
    transition: var(--transition);
}

.search-box input::placeholder {
    color: rgba(255,255,255,0.6);
}

.search-box input:focus {
    outline: none;
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.4);
}

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

.header-icon {
    position: relative;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.header-icon:hover {
    background: rgba(255,255,255,0.2);
}

.header-icon .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color);
    color: white;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 8px 15px;
    border-radius: 25px;
    background: rgba(255,255,255,0.1);
    transition: var(--transition);
}

.user-info:hover {
    background: rgba(255,255,255,0.2);
}

.user-avatar {
    width: 35px;
    height: 35px;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    font-size: 11px;
    opacity: 0.8;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    display: none;
    overflow: hidden;
}

.user-dropdown.active {
    display: block;
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.user-dropdown a:hover {
    background: var(--bg-light);
}

.user-dropdown a i {
    width: 20px;
    color: var(--primary-color);
}

/* ========== Sidebar ========== */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: white;
    box-shadow: var(--shadow-md);
    overflow-y: auto;
    transition: var(--transition);
    z-index: 999;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.nav-item:hover,
.nav-item.active {
    background: var(--primary-light);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.nav-item i {
    width: 24px;
    font-size: 18px;
    text-align: center;
}

.nav-item kbd {
    margin-left: auto;
    font-size: 10px;
    padding: 2px 6px;
    background: var(--bg-lights);
    border-radius: 4px;
    font-family: monospace;
}

.nav-divider {
    padding: 15px 20px 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px 20px;
    text-align: center;
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

/* ========== Main Content ========== */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 25px;
    min-height: calc(100vh - var(--header-height));
    transition: var(--transition);
}

.sidebar.collapsed + .main-content {
    margin-left: 70px;
}

/* ========== Page Header ========== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.page-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
}

.page-breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 13px;
    color: var(--text-light);
    margin-top: 5px;
}

.page-breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

/* ========== Cards ========== */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 25px;
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.card-body {
    padding: 25px;
}

/* ========== Stats Cards ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

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

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

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

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

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

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-card.primary .stat-icon {
    background: var(--primary-light);
    color: var(--primary-color);
}

.stat-card.success .stat-icon {
    background: #E8F5E9;
    color: var(--success-color);
}

.stat-card.warning .stat-icon {
    background: #FFF9E6;
    color: var(--warning-color);
}

.stat-card.danger .stat-icon {
    background: #FFEBEE;
    color: var(--danger-color);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 5px;
}

.stat-trend {
    font-size: 12px;
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.stat-trend.up {
    color: var(--success-color);
}

.stat-trend.down {
    color: var(--danger-color);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
    background: #218838;
}

.btn-warning {
    background: var(--warning-color);
    color: var(--text-dark);
}

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

.btn-danger:hover {
    background: #C82333;
}

.btn-secondary {
    background: #6C757D;
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-label .required {
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-control:disabled {
    background: var(--bg-light);
    cursor: not-allowed;
}

.form-error {
    color: var(--danger-color);
    font-size: 12px;
    margin-top: 5px;
}

select.form-control {
    cursor: pointer;
}

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

/* ========== Tables ========== */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    background: var(--bg-light);
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-dark);
    border-bottom: 2px solid var(--border-color);
}

table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

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

/* ========== Alerts ========== */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    transition: var(--transition);
}

.alert-success {
    background: #D4EDDA;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    background: #FFF3CD;
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-danger {
    background: #F8D7DA;
    color: #721C24;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: #D1ECF1;
    color: #0C5460;
    border-left: 4px solid var(--info-color);
}

.close-alert {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
}

.close-alert:hover {
    opacity: 1;
}

/* ========== Badge ========== */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
}

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

.badge-warning {
    background: var(--warning-color);
    color: var(--text-dark);
}

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

.badge-info {
    background: var(--info-color);
    color: white;
}

/* ========== Pagination ========== */
.pagination-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 14px;
    color: #7F8C8D;
    font-weight: 500;
}

.pagination {
    display: flex;
    gap: 8px;
    align-items: center;
}

.pagination-btn {
    padding: 8px 16px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pagination-btn:hover:not(.disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #F8F9FA;
}

.pagination-number {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.pagination-number:hover:not(.active) {
    background: #F0F4F8;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.pagination-number.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

.pagination-ellipsis {
    padding: 8px 12px;
    color: #7F8C8D;
    font-size: 14px;
    font-weight: 600;
}

/* Old pagination styles for backward compatibility */
.pagination a,
.pagination span {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Mobile responsive pagination */
@media (max-width: 768px) {
    .pagination-wrapper {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .pagination {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .pagination-number {
        min-width: 35px;
        height: 35px;
        font-size: 13px;
    }
    
    .pagination-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .pagination-info {
        text-align: center;
    }
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .header-center {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}