/* ============================================================
   INDUNNOVA DESIGN SYSTEM
   Sistema de diseño centralizado para GestionDeProveedores
   ============================================================ */

/* ---------- DESIGN TOKENS ---------- */
:root {
    /* Brand colors - Indunnova */
    --in-teal:        #1B9AAA;
    --in-teal-dark:   #0d7377;
    --in-teal-light:  #4db8c5;
    --in-green:       #7AB800;
    --in-green-dark:  #6aa300;
    --in-orange:      #F5A623;
    --in-orange-dark: #e09515;
    --in-yellow:      #F7D154;

    /* Semantic colors */
    --color-primary:    var(--in-teal);
    --color-success:    #28a745;
    --color-success-bg: #d1f5dd;
    --color-warning:    #F5A623;
    --color-warning-bg: #fff4e0;
    --color-danger:     #dc3545;
    --color-danger-bg:  #fce4e6;
    --color-info:       #17a2b8;
    --color-info-bg:    #d4f1f4;

    /* Neutral palette */
    --gray-50:  #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;

    /* Spacing scale (4px base) */
    --space-xs:  0.25rem; /* 4px  */
    --space-sm:  0.5rem;  /* 8px  */
    --space-md:  1rem;    /* 16px */
    --space-lg:  1.5rem;  /* 24px */
    --space-xl:  2rem;    /* 32px */
    --space-2xl: 3rem;    /* 48px */
    --space-3xl: 4rem;    /* 64px */

    /* Border radius */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --radius-2xl:  20px;
    --radius-pill: 999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-focus: 0 0 0 3px rgba(27, 154, 170, 0.25);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs:   0.75rem;   /* 12px */
    --font-size-sm:   0.875rem;  /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg:   1.125rem;  /* 18px */
    --font-size-xl:   1.25rem;   /* 20px */
    --font-size-2xl:  1.5rem;    /* 24px */
    --font-size-3xl:  1.875rem;  /* 30px */
    --font-size-4xl:  2.25rem;   /* 36px */

    --font-weight-normal:   400;
    --font-weight-medium:   500;
    --font-weight-semibold: 600;
    --font-weight-bold:     700;

    --line-height-tight:  1.2;
    --line-height-normal: 1.5;
    --line-height-loose:  1.75;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Z-index scale */
    --z-dropdown: 1000;
    --z-sticky:   1020;
    --z-fixed:    1030;
    --z-modal:    1050;
    --z-popover:  1060;
    --z-tooltip:  1070;
    --z-toast:    1100;
}

/* ---------- ACCESSIBILITY: FOCUS VISIBLE ---------- */
*:focus-visible {
    outline: 2px solid var(--in-teal);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

button:focus-visible,
a:focus-visible,
.btn:focus-visible {
    box-shadow: var(--shadow-focus);
    outline: none;
}

/* Skip to content link (accesibilidad teclado) */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--in-teal);
    color: #fff;
    padding: var(--space-sm) var(--space-md);
    z-index: var(--z-tooltip);
    text-decoration: none;
    border-radius: 0 0 var(--radius-md) 0;
    font-weight: var(--font-weight-semibold);
}
.skip-to-content:focus {
    top: 0;
    color: #fff;
}

/* ---------- PROGRESS BAR FIX (universal) ---------- */
/* Soluciona el problema de localización es-co donde los floats
   se renderizan con coma y rompen el ancho CSS */
.progress {
    display: flex;
    overflow: hidden;
    background-color: var(--gray-200);
    border-radius: var(--radius-pill);
    height: 8px;
}
.progress-mini {
    height: 6px;
    border-radius: var(--radius-sm);
    background: var(--gray-200);
    display: flex;
    overflow: hidden;
}
.progress-mini .progress-bar {
    border-radius: var(--radius-sm);
    height: 100%;
    display: block;
    transition: width 600ms ease;
}
.progress-bar {
    transition: width 600ms ease;
}

/* Variantes de color con gradiente sutil */
.progress-bar-gradient-success {
    background: linear-gradient(90deg, #6aa300, #7AB800);
}
.progress-bar-gradient-info {
    background: linear-gradient(90deg, #0d7377, #1B9AAA);
}
.progress-bar-gradient-warning {
    background: linear-gradient(90deg, #e09515, #F5A623);
}
.progress-bar-gradient-danger {
    background: linear-gradient(90deg, #b02a37, #dc3545);
}

/* ---------- KPI / STAT CARDS UNIFIED ---------- */
.ds-kpi-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    overflow: hidden;
    height: 100%;
}
.ds-kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.ds-kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--in-teal);
}
.ds-kpi-card.kpi-success::before { background: var(--color-success); }
.ds-kpi-card.kpi-warning::before { background: var(--color-warning); }
.ds-kpi-card.kpi-danger::before  { background: var(--color-danger); }
.ds-kpi-card.kpi-info::before    { background: var(--color-info); }

.ds-kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
    background: rgba(27, 154, 170, 0.1);
    color: var(--in-teal);
}
.ds-kpi-card.kpi-success .ds-kpi-icon {
    background: var(--color-success-bg);
    color: var(--color-success);
}
.ds-kpi-card.kpi-warning .ds-kpi-icon {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}
.ds-kpi-card.kpi-danger .ds-kpi-icon {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}
.ds-kpi-card.kpi-info .ds-kpi-icon {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.ds-kpi-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--gray-900);
    margin: 0;
}
.ds-kpi-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--font-weight-medium);
    margin: 0;
}
.ds-kpi-trend {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--space-xs);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
}
.ds-kpi-trend.up   { color: var(--color-success); background: var(--color-success-bg); }
.ds-kpi-trend.down { color: var(--color-danger);  background: var(--color-danger-bg); }
.ds-kpi-trend.flat { color: var(--gray-600);      background: var(--gray-100); }

/* ---------- EMPTY STATES ---------- */
.ds-empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    color: var(--gray-600);
}
.ds-empty-state .ds-empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    background: var(--gray-100);
    color: var(--gray-500);
}
.ds-empty-state h3,
.ds-empty-state .ds-empty-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--space-sm);
}
.ds-empty-state p,
.ds-empty-state .ds-empty-description {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    max-width: 400px;
    margin: 0 auto var(--space-lg);
}

/* ---------- SKELETON LOADERS ---------- */
.ds-skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: ds-skeleton-loading 1.4s infinite;
    border-radius: var(--radius-sm);
    display: block;
}
.ds-skeleton-text {
    height: 1rem;
    margin-bottom: var(--space-sm);
    width: 100%;
}
.ds-skeleton-text.short { width: 60%; }
.ds-skeleton-text.medium { width: 80%; }
.ds-skeleton-title {
    height: 1.5rem;
    width: 50%;
    margin-bottom: var(--space-md);
}
.ds-skeleton-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}
.ds-skeleton-card {
    height: 120px;
    border-radius: var(--radius-lg);
}

@keyframes ds-skeleton-loading {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ---------- SECTION HEADERS ---------- */
.ds-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--gray-200);
}
.ds-section-header .ds-section-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin: 0;
}
.ds-section-header .ds-section-title i {
    color: var(--in-teal);
}
.ds-section-header .ds-section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-top: var(--space-xs);
}

/* ---------- BADGES & CHIPS ---------- */
.ds-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}
.ds-chip.chip-success { background: var(--color-success-bg); color: #155724; border-color: #b8e7c4; }
.ds-chip.chip-warning { background: var(--color-warning-bg); color: #856404; border-color: #ffe5b5; }
.ds-chip.chip-danger  { background: var(--color-danger-bg);  color: #721c24; border-color: #f5b3ba; }
.ds-chip.chip-info    { background: var(--color-info-bg);    color: #0c5460; border-color: #a8e0e6; }

/* ---------- ENHANCED BUTTONS ---------- */
.btn {
    transition: all var(--transition-fast);
}
.btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.btn:active:not(:disabled) {
    transform: translateY(0);
}

/* ---------- CARD HOVER EFFECT ---------- */
.card.card-hoverable {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}
.card.card-hoverable:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ---------- TOUCH TARGETS (mobile accessibility) ---------- */
@media (max-width: 768px) {
    .btn,
    .nav-link,
    .dropdown-item,
    .form-control,
    .form-select {
        min-height: 44px;
    }

    .btn-sm {
        min-height: 36px;
    }
}

/* ---------- BOTTOM NAVIGATION (mobile only) ---------- */
.ds-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    z-index: var(--z-fixed);
    padding: var(--space-xs) 0;
}
.ds-bottom-nav .ds-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-xs);
    color: var(--gray-600);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: color var(--transition-fast);
    min-height: 56px;
}
.ds-bottom-nav .ds-bottom-nav-item i {
    font-size: 1.25rem;
    margin-bottom: 2px;
}
.ds-bottom-nav .ds-bottom-nav-item.active,
.ds-bottom-nav .ds-bottom-nav-item:hover {
    color: var(--in-teal);
}
.ds-bottom-nav .ds-bottom-nav-item.active {
    font-weight: var(--font-weight-semibold);
}

@media (max-width: 768px) {
    .ds-bottom-nav {
        display: flex;
    }
    /* Espacio inferior para que no se tape contenido */
    body.has-bottom-nav .page-content {
        padding-bottom: calc(var(--space-3xl) + var(--space-md));
    }
}

/* ---------- COMMAND PALETTE ---------- */
.ds-command-palette {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
    animation: fadeIn 200ms ease;
}
.ds-command-palette.active {
    display: flex;
}
.ds-command-palette-box {
    background: #fff;
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: slideDown 250ms ease;
}
.ds-command-palette-input {
    width: 100%;
    border: none;
    padding: var(--space-lg);
    font-size: var(--font-size-lg);
    outline: none;
    border-bottom: 1px solid var(--gray-200);
}
.ds-command-palette-input:focus {
    box-shadow: none;
}
.ds-command-results {
    max-height: 50vh;
    overflow-y: auto;
}
.ds-command-result {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
    text-decoration: none;
    color: var(--gray-800);
    border: none;
    width: 100%;
    background: transparent;
    text-align: left;
}
.ds-command-result:hover,
.ds-command-result.selected {
    background: var(--gray-100);
}
.ds-command-result-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--in-teal);
    flex-shrink: 0;
}
.ds-command-result-content {
    flex: 1;
    min-width: 0;
}
.ds-command-result-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ds-command-result-subtitle {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}
.ds-command-result-shortcut {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    font-family: monospace;
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-300);
}
.ds-command-empty {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}
.ds-command-footer {
    border-top: 1px solid var(--gray-200);
    padding: var(--space-sm) var(--space-lg);
    background: var(--gray-50);
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    display: flex;
    gap: var(--space-md);
}
.ds-command-footer kbd {
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    padding: 1px 6px;
    font-family: monospace;
    font-size: var(--font-size-xs);
    color: var(--gray-700);
    box-shadow: 0 1px 0 var(--gray-300);
}

/* ---------- GAMIFICATION: BADGES ---------- */
.ds-achievement {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: linear-gradient(135deg, #fff8e1, #fff);
    border: 1px solid #ffd54f;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-sm);
}
.ds-achievement-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd54f, #ff9800);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
}
.ds-achievement-icon.locked {
    background: var(--gray-200);
    color: var(--gray-400);
    box-shadow: none;
}
.ds-achievement-content { flex: 1; }
.ds-achievement-title {
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin: 0;
}
.ds-achievement-description {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin: 0;
}

/* ---------- JOURNEY PROGRESS (etapas) ---------- */
.ds-journey {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) 0;
    position: relative;
    margin: 0 auto;
    max-width: 800px;
}
.ds-journey::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 5%;
    right: 5%;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-pill);
    z-index: 0;
}
.ds-journey-progress {
    position: absolute;
    top: 50%;
    left: 5%;
    height: 4px;
    background: linear-gradient(90deg, var(--in-teal), var(--in-green));
    border-radius: var(--radius-pill);
    z-index: 1;
    transition: width 1s ease;
}
.ds-journey-step {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}
.ds-journey-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    color: var(--gray-500);
    transition: all var(--transition-base);
}
.ds-journey-step.completed .ds-journey-circle {
    background: var(--in-green);
    border-color: var(--in-green);
    color: #fff;
}
.ds-journey-step.active .ds-journey-circle {
    background: var(--in-teal);
    border-color: var(--in-teal);
    color: #fff;
    box-shadow: 0 0 0 6px rgba(27, 154, 170, 0.2);
}
.ds-journey-label {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
    text-align: center;
}
.ds-journey-step.active .ds-journey-label,
.ds-journey-step.completed .ds-journey-label {
    color: var(--gray-900);
    font-weight: var(--font-weight-semibold);
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}
@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.ds-animate-fade-in   { animation: fadeIn 300ms ease; }
.ds-animate-slide-up  { animation: slideUp 400ms ease; }
.ds-animate-pulse     { animation: pulse 2s infinite; }

/* ---------- UTILITY CLASSES ---------- */
.ds-text-gradient {
    background: linear-gradient(135deg, var(--in-teal), var(--in-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ds-shadow-sm  { box-shadow: var(--shadow-sm)  !important; }
.ds-shadow-md  { box-shadow: var(--shadow-md)  !important; }
.ds-shadow-lg  { box-shadow: var(--shadow-lg)  !important; }
.ds-shadow-xl  { box-shadow: var(--shadow-xl)  !important; }

.ds-radius-sm  { border-radius: var(--radius-sm) !important; }
.ds-radius-md  { border-radius: var(--radius-md) !important; }
.ds-radius-lg  { border-radius: var(--radius-lg) !important; }
.ds-radius-xl  { border-radius: var(--radius-xl) !important; }

/* ---------- REDUCED MOTION (a11y) ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- PRINT STYLES ---------- */
@media print {
    .sidebar,
    .top-navbar,
    .ds-bottom-nav,
    .ds-command-palette,
    .btn,
    .no-print {
        display: none !important;
    }
    .main-content {
        margin-left: 0 !important;
    }
    .card {
        box-shadow: none !important;
        border: 1px solid var(--gray-300) !important;
    }
}