/* ============================================
   DESIGN SYSTEM CSS - FEATURES 10-13
   Production-Ready Component Library
   ============================================ */

/* COLOR PALETTE */
:root {
    /* Primary Colors */
    --color-cyan: #00bcd4;
    --color-cyan-light: #4dd0e1;
    --color-cyan-dark: #0097a7;

    /* Secondary Colors */
    --color-blue: #3b71ca;
    --color-blue-light: #5a8bde;
    --color-blue-dark: #2a5aa7;

    /* Neutral Colors */
    --color-dark-bg: #0f1419;
    --color-darker-bg: #0a0e13;
    --color-card-bg: #1a202c;
    --color-border: #2d3748;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0aec0;
    --color-text-muted: #718096;

    /* Status Colors */
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-error: #ff0000;
    --color-info: #17a2b8;
    --color-pending: #ff9800;

    /* Spacing */
    --spacing-unit: 1rem;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(0, 188, 212, 0.2);
    --shadow-glow-intense: 0 0 60px rgba(0, 188, 212, 0.3);

    /* Typography */
    --font-family: 'Roboto Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

small {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */

.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--color-cyan);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.card-header {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-header h5 {
    margin: 0;
    color: var(--color-cyan);
}

.card-body {
    padding: var(--spacing-lg) 0;
}

.card-footer {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* Card Variants */
.card-primary {
    border-color: var(--color-cyan);
    background-color: rgba(0, 188, 212, 0.05);
}

.card-success {
    border-color: var(--color-success);
    background-color: rgba(40, 167, 69, 0.05);
}

.card-warning {
    border-color: var(--color-warning);
    background-color: rgba(255, 193, 7, 0.05);
}

.card-error {
    border-color: var(--color-error);
    background-color: rgba(255, 0, 0, 0.05);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

/* Button Primary */
.btn-primary {
    background-color: var(--color-cyan);
    color: var(--color-dark-bg);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--color-cyan-light);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

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

/* Button Secondary */
.btn-secondary {
    background-color: transparent;
    color: var(--color-cyan);
    border: 2px solid var(--color-cyan);
}

.btn-secondary:hover {
    background-color: rgba(0, 188, 212, 0.1);
    box-shadow: var(--shadow-glow);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* Button Block */
.btn-block {
    width: 100%;
}

/* Button Disabled */
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   FORMS & INPUTS
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    background-color: rgba(0, 188, 212, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
}

.form-input.is-invalid {
    border-color: var(--color-error);
    background-color: rgba(255, 0, 0, 0.05);
}

/* ============================================
   BADGES & STATUS
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-border);
    color: var(--color-text-secondary);
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    white-space: nowrap;
}

/* Badge Variants */
.badge-primary {
    background-color: rgba(0, 188, 212, 0.2);
    color: var(--color-cyan);
}

.badge-success {
    background-color: rgba(40, 167, 69, 0.2);
    color: var(--color-success);
}

.badge-warning {
    background-color: rgba(255, 193, 7, 0.2);
    color: var(--color-warning);
}

.badge-error {
    background-color: rgba(255, 0, 0, 0.2);
    color: var(--color-error);
}

.badge-pending {
    background-color: rgba(255, 152, 0, 0.2);
    color: var(--color-pending);
}

/* ============================================
   TABLES
   ============================================ */

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table thead {
    background-color: rgba(0, 188, 212, 0.1);
    border-bottom: 2px solid var(--color-border);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--color-cyan);
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.table tbody tr:hover {
    background-color: rgba(0, 188, 212, 0.05);
}

/* ============================================
   MODALS & DIALOGS
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h2 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
}

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

/* ============================================
   ALERTS & MESSAGES
   ============================================ */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert-error {
    background-color: rgba(255, 0, 0, 0.1);
    border-color: var(--color-error);
    color: var(--color-error);
}

.alert-info {
    background-color: rgba(0, 188, 212, 0.1);
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.alert-icon {
    flex-shrink: 0;
    font-size: var(--font-size-lg);
}

.alert-content {
    flex: 1;
}

/* ============================================
   CHARTS & GRAPHS (Chart.js Integration)
   ============================================ */

.chart-container {
    position: relative;
    height: 350px;
    margin-bottom: var(--spacing-xl);
}

.chart-wrapper {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.chart-title {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

/* ============================================
   GRID & LAYOUT
   ============================================ */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Responsive Grid */
@media (max-width: 768px) {

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {

    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   UTILITIES
   ============================================ */

.text-cyan {
    color: var(--color-cyan);
}

.text-success {
    color: var(--color-success);
}

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

.text-error {
    color: var(--color-error);
}

.text-muted {
    color: var(--color-text-muted);
}

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

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

.fw-bold {
    font-weight: 700;
}

.fw-semibold {
    font-weight: 600;
}

.fw-normal {
    font-weight: 400;
}

.mt-xs {
    margin-top: var(--spacing-xs);
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mb-xs {
    margin-bottom: var(--spacing-xs);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

.px-md {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.py-md {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.p-md {
    padding: var(--spacing-md);
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 640px) {
    h1 {
        font-size: var(--font-size-2xl);
    }

    h2 {
        font-size: var(--font-size-xl);
    }

    h3 {
        font-size: var(--font-size-lg);
    }

    .card {
        padding: var(--spacing-md);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-xs);
    }

    .table {
        font-size: var(--font-size-xs);
    }

    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 40px rgba(0, 188, 212, 0.2);
    }

    50% {
        box-shadow: 0 0 60px rgba(0, 188, 212, 0.4);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease-in-out;
}

.animate-slideUp {
    animation: slideUp 0.3s ease-in-out;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* ============================================
   HOVER & INTERACTIVE EFFECTS
   ============================================ */

.hover-cyan:hover {
    color: var(--color-cyan) !important;
}

.hover-text-white:hover {
    color: var(--color-text-primary) !important;
}

.cursor-pointer {
    cursor: pointer;
}

.transition {
    transition: all 0.3s ease;
}