/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* 
------------------------------- Global Variables ------------------------------- 
*/
:root {
    /* Sidebar */
    --sidebar-width: 200px;
    --sidebar-collapsed-width: 70px;

    /* Spacing & Layout */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;

    /* Font sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.85rem;
    --font-size-md: 0.95rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.875rem;
}

/* 
------------------------------- Light Theme ------------------------------- 
*/
[data-theme="light"] {
    --bg-primary: #F8FAFC;
    /* Neutral Slate/Cool White */
    --bg-secondary: #FFFFFF;
    /* White for cards */
    --bg-tertiary: #F1F5F9;
    /* Light Grey for hover */

    --text-primary: #0F172A;
    /* Dark Slate for better contrast */
    --text-secondary: #64748B;
    /* Muted Slate */

    --accent-primary: #3B82F6;
    /* Professional Blue */
    --accent-secondary: #F43F5E;
    /* Rose Accent */

    --border-color: #E2E8F0;
    /* Light Grey Border */

    /* Shadows (Crisp for Slate theme) */
    --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-elevated: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* RGB variants for opacity (translucency) */
    --accent-primary-rgb: 59, 130, 246;
    --accent-secondary-rgb: 244, 63, 94;

    --bg-translucent: rgba(255, 255, 255, 0.7);
    --chart-bg: rgba(255, 255, 255, 0.4);

    /* Button Colors (Light) */
    --btn-primary-bg: #3B82F6;
    --btn-primary-border: #3B82F6;
    --btn-primary-text: #FFFFFF;

    --btn-secondary-bg: #F1F5F9;
    --btn-secondary-hover-bg: #E2E8F0;
    --btn-secondary-border: #E2E8F0;
    --btn-secondary-text: #475569;

    --btn-tertiary-bg: #F8FAFC;
    --btn-tertiary-hover-bg: #F1F5F9;
    --btn-tertiary-border: #E2E8F0;
    --btn-tertiary-text: #64748B;

    --btn-outline-bg: #FFFFFF;
    --btn-outline-hover-bg: #F8FAFC;
    --btn-outline-border: #E2E8F0;
    --btn-outline-text: #64748B;
}

/* 
------------------------------- Dark Theme -------------------------------
*/
[data-theme="dark"] {
    --bg-primary: #0F172A;
    /* Deep Midnight Slate */
    --bg-secondary: #1E293B;
    /* Slate for cards */
    --bg-tertiary: #334155;
    /* Indigo-Slate for hover */

    --text-primary: #F8FAFC;
    /* Clean Slate White */
    --text-secondary: #94A3B8;
    /* Muted Slate Blue */

    --accent-primary: #6366F1;
    /* Vibrant Indigo */
    --accent-secondary: #10B981;
    /* Emerald Green */

    --border-color: #596270;
    /* Dark Slate Border */

    /* Shadows (Deep and subtle for midnight theme) */
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-elevated: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);

    --accent-primary-rgb: 99, 102, 241;
    --accent-secondary-rgb: 16, 185, 129;

    --bg-translucent: rgba(15, 23, 42, 0.8);
    --chart-bg: rgba(15, 23, 42, 0.5);

    /* Button Colors (Dark) */
    --btn-primary-bg: #6366F1;
    --btn-primary-border: #6366F1;
    --btn-primary-text: #FFFFFF;

    --btn-secondary-bg: #334155;
    --btn-secondary-hover-bg: #475569;
    --btn-secondary-border: #475569;
    --btn-secondary-text: #CBD5E1;

    --btn-tertiary-bg: #1E293B;
    --btn-tertiary-hover-bg: #475569;
    --btn-tertiary-border: #475569;
    --btn-tertiary-text: #94A3B8;

    --btn-outline-bg: #0F172A;
    --btn-outline-hover-bg: #1E293B;
    --btn-outline-border: #475569;
    --btn-outline-text: #94A3B8;
}


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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 
------------------------------- Typography ------------------------------- 
*/
h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: inherit;
    text-decoration: none;
}

/* 
------------------------------- Utilities -------------------------------
*/
.app-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    width: calc(100% - var(--sidebar-width));
    padding: var(--spacing-lg);
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-medium), width var(--transition-medium);
}

.main-content.collapsed {
    width: calc(100% - var(--sidebar-collapsed-width));
    margin-left: var(--sidebar-collapsed-width);
}

html.sidebar-expanded .main-content.collapsed {
    width: calc(100% - var(--sidebar-width)) !important;
    margin-left: var(--sidebar-width) !important;
}

@media (max-width: 992px) {
    .main-content {
        width: 100%;
        margin-left: 0;
    }
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.card {
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    /* transform: translateY(-2px); */
    box-shadow: var(--shadow-elevated);
    border-color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(var(--accent-primary-rgb), 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-primary);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 
------------------------------- Buttons -------------------------------
*/
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: 1px solid var(--btn-primary-border);
}

.btn-primary:hover {
    filter: brightness(1.2);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover-bg);
    transform: translateY(-1px);
}

.btn-tertiary {
    background-color: var(--btn-tertiary-bg);
    color: var(--btn-tertiary-text);
    border: 1px solid var(--btn-tertiary-border);
}

.btn-tertiary:hover {
    background-color: var(--btn-tertiary-hover-bg);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-outline {
    background-color: var(--btn-outline-bg);
    color: var(--btn-outline-text);
    border: 1px solid var(--btn-outline-border);
}

.btn-outline:hover {
    background-color: var(--btn-outline-hover-bg);
    transform: translateY(-1px);
}

/* 
------------------------------- Page Header ------------------------------- 
*/
.page-header {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-header h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.5px;
}

.page-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: var(--font-size-sm);
}

/* 
------------------------------- Forms & Inputs ------------------------------- 
*/

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--spacing-md);
    width: 100%;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.form-control,
.form-input,
.ts-control {
    padding: 0 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    width: 100%;
    transition: all 0.2s ease;
    height: 36px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    appearance: none;
}

.form-control:hover,
.form-input:hover,
.ts-control:hover {
    border-color: var(--text-secondary);
    background-color: var(--bg-secondary);
}

.form-control:focus,
.form-input:focus,
.ts-control.focus,
.ts-wrapper.focus .ts-control {
    outline: none;
    border-color: var(--accent-primary);
    background-color: var(--bg-secondary);
    box-shadow: 0 0 0 4px rgba(var(--accent-primary-rgb), 0.15);
}

.ts-wrapper {
    width: 100%;
    min-width: 0;
}

.ts-wrapper.single .ts-control {
    background-image: none;
    padding-right: 2rem;
}

.ts-control {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
}

.ts-control input {
    color: var(--text-primary);
    font-size: inherit;
}

.ts-control .item {
    color: var(--text-primary);
}

.ts-wrapper.multi.has-items .ts-control,
.ts-wrapper.single.has-items .ts-control,
.ts-wrapper.focus .ts-control,
.ts-control.focus,
.ts-control.dropdown-active,
.ts-control.input-active {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary);
}

.ts-dropdown {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-elevated);
    margin-top: 8px;
    overflow: hidden;
    z-index: 1000;
    padding: 4px;
}

.ts-dropdown .active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
}

.ts-dropdown .option {
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 1px solid transparent;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .ts-control.focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
}