/* Global Variables & Colors */
:root {
    --bg-main: #0a0813;
    --card-bg: rgba(20, 18, 38, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f5f5fa;
    --text-secondary: #a3a1b3;
    
    /* Brand Accent Colors */
    --primary: #8a2be2;
    --primary-glow: rgba(138, 43, 226, 0.35);
    --primary-hover: #a04ef6;
    
    --success: #00e676;
    --success-glow: rgba(0, 230, 118, 0.2);
    
    --warning: #ffb300;
    --warning-glow: rgba(255, 179, 0, 0.15);
    
    --danger: #ff1744;
    --danger-glow: rgba(255, 23, 68, 0.25);
    
    --input-bg: rgba(10, 8, 20, 0.5);
    --input-border: rgba(255, 255, 255, 0.1);
    --input-focus: #b57cff;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Glow Effects */
.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
    z-index: -1;
}

.bg-glow-1 {
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    top: -200px;
    left: -200px;
}

.bg-glow-2 {
    background: radial-gradient(circle, #00d2ff 0%, transparent 70%);
    bottom: -200px;
    right: -200px;
}

/* Layout Container */
.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header & Navigation */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: #b57cff;
    text-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #f5f5fa 30%, #b57cff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.app-nav {
    display: flex;
    gap: 0.75rem;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

/* Glass Card Design */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 12px 40px 0 rgba(138, 43, 226, 0.1);
}

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

.card-header h2, .card-header h3 {
    font-size: 1.4rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Grid Layouts */
.grid-calc {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group label i {
    margin-right: 0.25rem;
}

.form-group input, .form-group select {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group select option {
    background-color: #121020;
    color: var(--text-primary);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 10px rgba(181, 124, 255, 0.25);
}

/* Buttons */
.btn {
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-success {
    background: var(--success);
    color: #0b2512;
}

.btn-success:hover {
    background: #00ff82;
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background: #ff3d60;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.btn:active {
    transform: translateY(0);
}

/* Warning badge */
.warning-badge {
    background-color: rgba(255, 23, 68, 0.15);
    border: 1px solid var(--danger);
    color: #ff5277;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    animation: pulse-border 1.5s infinite;
}

.hidden {
    display: none !important;
}

/* Result box layout */
.result-display {
    background: rgba(10, 8, 20, 0.4);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.result-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.85rem;
}

.result-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.result-value {
    font-weight: 500;
}

.highlight-service {
    color: #b57cff;
}

.result-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 1rem 0;
}

.result-total-box {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.total-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.total-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--success);
    text-shadow: 0 0 15px var(--success-glow);
}

/* Reference pricing card */
.pricing-rules-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 1.25rem;
    border: 1px dashed rgba(255, 255, 255, 0.1);
}

.pricing-rules-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.pricing-rules-card ul {
    list-style: none;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.pricing-rules-card li {
    margin-bottom: 0.35rem;
    padding-left: 0.75rem;
    position: relative;
}

.pricing-rules-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #b57cff;
}

/* Tab contents switching */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

/* Admin KPI Grid */
.kpi-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.kpi-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
}

.kpi-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.icon-revenue {
    background: rgba(0, 230, 118, 0.12);
    color: var(--success);
    border: 1px solid var(--success);
}

.icon-orders {
    background: rgba(138, 43, 226, 0.12);
    color: #b57cff;
    border: 1px solid var(--primary);
}

.icon-weight {
    background: rgba(0, 210, 255, 0.12);
    color: #00d2ff;
    border: 1px solid #00d2ff;
}

.kpi-info {
    display: flex;
    flex-direction: column;
}

.kpi-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.kpi-value {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

/* Grid Admin Layout */
.grid-admin {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* Admin Table Design */
.admin-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.admin-actions {
    display: flex;
    gap: 0.75rem;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--card-border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.88rem;
}

.data-table th, .data-table td {
    padding: 0.9rem 1.2rem;
    border-bottom: 1px solid var(--card-border);
}

.data-table th {
    background-color: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    color: var(--text-secondary);
}

.data-table tbody tr {
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

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

.btn-delete-row {
    background: transparent;
    border: none;
    color: #ff5277;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    transition: color 0.2s ease;
}

.btn-delete-row:hover {
    color: #ff1744;
}

.text-center {
    text-align: center;
}

/* Admin Chart Panel */
.chart-container {
    position: relative;
    height: 280px;
    margin: 1.5rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chart-no-data {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem 0;
}

.chart-no-data i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.1);
}

/* Toast System */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    min-width: 280px;
    padding: 1rem 1.25rem;
    background: rgba(20, 18, 38, 0.95);
    border-left: 4px solid var(--primary);
    border-top: 1px solid var(--card-border);
    border-right: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1), fadeOut 0.3s ease 2.7s forwards;
}

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

.toast-error {
    border-left-color: var(--danger);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(8px); }
}

@keyframes pulse-border {
    0% { box-shadow: 0 0 0 0 rgba(255, 23, 68, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(255, 23, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 23, 68, 0); }
}

/* Footer layout */
.app-footer-bar {
    margin-top: auto;
    padding: 2rem 0 1rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Media Queries for Responsive Design */
@media (max-width: 992px) {
    .grid-calc {
        grid-template-columns: 1fr;
    }
    
    .grid-admin {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .app-container {
        padding: 0.75rem;
    }
    
    .app-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .admin-table-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .admin-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
}