/* ===============================================
   MODERN MINIMAL THEME - AkTech CRM
   Clean, Simple, Contemporary Design
   =============================================== */

/* =============== MODERN CSS VARIABLES =============== */
:root {
    /* ====== MODERN NEUTRAL PALETTE ====== */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* ====== CORPORATE ACCENT COLORS ====== */
    --primary: #f97316;
    --primary-light: #ea580c;
    --accent: #f97316;
    --accent-light: #ea580c;
    --success: #11998e;
    --warning: #fdbb2d;
    --danger: #fc2c77;
    --info: #f97316;
    
    /* ====== CORPORATE GRADIENTS ====== */
    --gradient-primary: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-warning: linear-gradient(135deg, #fdbb2d 0%, #22c1c3 100%);
    --gradient-danger: linear-gradient(135deg, #fc2c77 0%, #6c5ce7 100%);
    
    /* ====== ICON GRADIENT ALIASES ====== */
    --gradient-blue: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-orange: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    --gradient-red: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-teal: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #eab308 100%);
    
    /* ====== SEMANTIC COLORS ====== */
    --text-primary: #171717;
    --text-secondary: #525252;
    --text-muted: #737373;
    --text-disabled: #a3a3a3;
    --text-inverse: #ffffff;
    
    /* ====== BACKGROUND SYSTEM ====== */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --bg-surface: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.3);
    
    /* ====== MODERN BORDERS ====== */
    --border-color: #e5e5e5;
    --border-hover: #d4d4d4;
    --border-focus: #6366f1;
    
    /* ====== MINIMAL SHADOWS ====== */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);
    
    /* ====== MODERN RADIUS SYSTEM ====== */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
    
    /* ====== TYPOGRAPHY SYSTEM ====== */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    
    /* Font Sizes - Modern Scale */
    --text-xs: 0.75rem;     /* 12px */
    --text-sm: 0.875rem;    /* 14px */
    --text-base: 1rem;      /* 16px */
    --text-lg: 1.125rem;    /* 18px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 1.875rem;   /* 30px */
    --text-4xl: 2.25rem;    /* 36px */
    --text-5xl: 3rem;       /* 48px */
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    
    /* ====== SPACING SYSTEM ====== */
    --space-0: 0;
    --space-1: 0.25rem;     /* 4px */
    --space-2: 0.5rem;      /* 8px */
    --space-3: 0.75rem;     /* 12px */
    --space-4: 1rem;        /* 16px */
    --space-5: 1.25rem;     /* 20px */
    --space-6: 1.5rem;      /* 24px */
    --space-8: 2rem;        /* 32px */
    --space-10: 2.5rem;     /* 40px */
    --space-12: 3rem;       /* 48px */
    --space-16: 4rem;       /* 64px */
    --space-20: 5rem;       /* 80px */
    --space-24: 6rem;       /* 96px */
    
    /* ====== LAYOUT DIMENSIONS ====== */
    --sidebar-width: 240px;
    --sidebar-collapsed: 60px;
    --header-height: 60px;
    --content-max-width: 1200px;
    
    /* ====== MODERN TRANSITIONS ====== */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* ====== Z-INDEX LAYERS ====== */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* =============== GLOBAL RESET =============== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    line-height: var(--leading-relaxed);
    color: var(--text-primary);
    background: #f4f7fb;
    font-weight: var(--font-normal);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-light);
}

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: inherit;
}

/* =============== TYPOGRAPHY =============== */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

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

/* =============== LAYOUT HELPERS =============== */
.page-container {
    flex: 1;
    width: 100%;
    padding: 1.1rem 0.85rem 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-sizing: border-box;
}

.page-container.narrow {
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 1.6rem;
    padding-right: 1.6rem;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.page-header .page-titles {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.page-header .page-title {
    font-size: 1.5rem;
    margin: 0;
}

.page-header .page-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.page-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    flex-wrap: wrap;
}

.grid {
    display: grid;
    gap: var(--space-5);
}

.grid.two {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.three {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
}

.flex-center {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* =============== CARD SYSTEM =============== */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--shadow-sm);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.card.dense {
    padding: var(--space-5);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.card-title {
    font-size: 1.125rem;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.card-footer {
    margin-top: var(--space-4);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* =============== METRIC CARDS =============== */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-5);
}

.metric-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: var(--space-5);
    display: flex;
    gap: var(--space-4);
    align-items: center;
    box-shadow: var(--shadow-xs);
    transition: var(--transition-fast);
}

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

.metric-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #ffffff;
    background: var(--gradient-primary);
    box-shadow: 0 10px 16px rgba(233, 84, 32, 0.22);
}

.metric-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.metric-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    font-weight: 600;
}

.metric-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

.metric-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* =============== BUTTONS =============== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 40px;
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-weight: var(--font-medium);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.btn i {
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    border-color: transparent;
    box-shadow: 0 10px 20px rgba(233, 84, 32, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 12px 28px rgba(233, 84, 32, 0.3);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #f1f5f9;
    border-color: rgba(148, 163, 184, 0.35);
    color: #1e293b;
}

.btn-secondary:hover {
    background: #e2e8f0;
    border-color: rgba(100, 116, 139, 0.45);
}

.btn-outline {
    background: transparent;
    border-color: rgba(148, 163, 184, 0.4);
    color: #1e293b;
}

.btn-outline:hover {
    border-color: rgba(233, 84, 32, 0.5);
    color: var(--primary);
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: rgba(148, 163, 184, 0.12);
    color: var(--text-primary);
}

.btn-sm {
    min-height: 34px;
    padding: 0.45rem 1rem;
    font-size: 0.8125rem;
}

.btn-lg {
    min-height: 48px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* =============== FORMS =============== */
.form-grid {
    display: grid;
    gap: var(--space-4);
}

.form-grid.two {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.form-section-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: var(--font-medium);
    letter-spacing: 0.01em;
}

.form-input,
.form-select,
.form-textarea {
    border-radius: var(--radius-md);
    border: 1px solid rgba(203, 213, 225, 0.8);
    padding: 0.55rem 0.85rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition-fast);
    width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: rgba(233, 84, 32, 0.45);
    box-shadow: 0 0 0 3px rgba(233, 84, 32, 0.12);
}

.form-textarea {
    min-height: 90px;
    resize: vertical;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.input-group .form-input {
    flex: 1;
}

/* =============== TABLES =============== */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.875rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--shadow-sm);
}

.data-table thead {
    background: #f1f5f9;
}

.data-table th,
.data-table td {
    text-align: left;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    color: var(--text-secondary);
}

.data-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: #475569;
}

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

.data-table tbody tr:hover {
    background: rgba(148, 163, 184, 0.08);
}

.table-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
}

.table-empty {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

/* =============== BADGES & TAGS =============== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    border: 1px solid transparent;
    font-weight: 500;
}

.badge-muted {
    background: #f1f5f9;
    color: #475569;
}

.badge-info {
    background: rgba(2, 132, 199, 0.12);
    color: #0369a1;
}

.badge-success {
    background: rgba(34, 197, 94, 0.12);
    color: #047857;
}

.badge-warning {
    background: rgba(251, 146, 60, 0.15);
    color: #c2410c;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
}

/* =============== STATUS DOT =============== */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    display: inline-flex;
}

/* =============== PANELS =============== */
.panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.panel-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.panel-body {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: var(--space-5);
    box-shadow: var(--shadow-xs);
}

.panel-footer {
    padding-top: var(--space-3);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* =============== FILTER BAR =============== */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    background: var(--bg-primary);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-xs);
}

.filter-bar .search-field {
    position: relative;
    flex: 1;
    min-width: 220px;
}

.filter-bar .search-field i {
    position: absolute;
    top: 50%;
    left: 0.85rem;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 0.9rem;
}

.filter-bar .search-input {
    width: 100%;
    padding-left: 2.4rem;
}

.filter-bar .filter-group {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.filter-select {
    min-width: 180px;
}

/* =============== TABLE CARD =============== */
.table-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-card header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.table-card header h3 {
    font-size: 1.05rem;
    margin: 0;
}

.table-card .table-wrapper {
    overflow-x: auto;
}

.table-card .data-table {
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.table-card footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid rgba(226, 232, 240, 0.7);
    display: flex;
    justify-content: flex-end;
}

/* =============== TAG LIST =============== */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0;
    list-style: none;
}

.tag-list .tag {
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.15);
    font-size: 0.75rem;
    color: #475569;
}

/* =============== MODALS =============== */
.modal-shell {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.35);
    z-index: var(--z-modal);
    padding: var(--space-6);
}

.modal-surface {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.modal-surface header,
.modal-surface footer {
    padding: var(--space-5);
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.modal-surface footer {
    border-bottom: none;
    border-top: 1px solid rgba(226, 232, 240, 0.7);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

.modal-surface main {
    padding: var(--space-5);
}

/* =============== RESPONSIVE =============== */
@media (max-width: 1200px) {
    .page-container {
        padding: var(--space-6);
    }
}

@media (max-width: 992px) {
    .page-container {
        padding: var(--space-5);
    }

    .card {
        padding: var(--space-5);
    }
}

@media (max-width: 768px) {
    .page-container {
        padding: var(--space-4);
    }

    .card,
    .panel-body {
        padding: var(--space-4);
    }

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

    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}

/* =============== MODERN PAGE HEADER =============== */
.page-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-8) 0;
    margin-bottom: var(--space-8);
}

.page-header-content {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-6);
}

.page-title h1 {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.025em;
}

.page-subtitle {
    font-size: var(--text-base);
    color: var(--text-secondary);
    font-weight: var(--font-normal);
    line-height: var(--leading-relaxed);
}

.page-actions {
    display: flex;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* =============== MINIMAL BUTTON SYSTEM =============== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: var(--leading-tight);
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    white-space: nowrap;
    user-select: none;
    outline: none;
    background: transparent;
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Variants - Corporate Style */
.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--text-inverse);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
}

.btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79, 172, 254, 0.4);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--text-inverse);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(17, 153, 142, 0.3);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(17, 153, 142, 0.4);
}

.btn-warning {
    background: var(--gradient-warning);
    color: var(--text-inverse);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(253, 187, 45, 0.3);
}

.btn-warning:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(253, 187, 45, 0.4);
}

.btn-danger {
    background: var(--gradient-danger);
    color: var(--text-inverse);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(252, 44, 119, 0.3);
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(252, 44, 119, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* =============== MINIMAL CARD SYSTEM =============== */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.card-header h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

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

.card-content {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* =============== MINIMAL FORM SYSTEM =============== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-family: inherit;
    line-height: var(--leading-tight);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* =============== MINIMAL BADGE SYSTEM =============== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    line-height: var(--leading-tight);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary {
    background: var(--gray-100);
    color: var(--text-primary);
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #e0f2fe;
    color: #0c4a6e;
}

/* =============== MODERN MODAL SYSTEM =============== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95) translateY(10px);
    transition: var(--transition-normal);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-color);
}

.modal-body {
    padding: var(--space-6);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* =============== UTILITY CLASSES =============== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }

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

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

.border { border: 1px solid var(--border-color); }
.border-0 { border: none; }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.transition { transition: var(--transition-normal); }

/* =============== GRID SYSTEM =============== */
.grid {
    display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* =============== FLEXBOX UTILITIES =============== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }

/* =============== SPACING UTILITIES =============== */
.p-0 { padding: var(--space-0); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }

.m-0 { margin: var(--space-0); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* =============== RESPONSIVE DESIGN =============== */
@media (max-width: 768px) {
    .page-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    
    .page-title h1 {
        font-size: var(--text-2xl);
    }
    
    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .modal-container {
        margin: var(--space-2);
        max-height: calc(100vh - var(--space-4));
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .card-header,
    .card-content,
    .card-footer {
        padding: var(--space-4);
    }
}

@media (max-width: 480px) {
    .btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-xs);
    }
    
    .btn-lg {
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-base);
    }
}

/* =============== ACCESSIBILITY =============== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =============== PRINT STYLES =============== */
@media print {
    .page-header,
    .btn,
    .modal-overlay {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
    
    body {
        background: white;
        color: black;
    }
}