/* ============================================================
   STYLES.CSS - Simulador de Presupuesto Personal
   Diseño oscuro premium con glassmorphism y micro-animaciones
   ============================================================ */

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(17, 24, 39, 0.9);
    --glass: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent-1: #6366f1;
    --accent-2: #8b5cf6;
    --accent-3: #a78bfa;
    --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
    --gradient-income: linear-gradient(135deg, #10b981, #34d399);
    --gradient-expense: linear-gradient(135deg, #ef4444, #f87171);
    --gradient-balance: linear-gradient(135deg, #3b82f6, #60a5fa);
    --gradient-savings: linear-gradient(135deg, #f59e0b, #fbbf24);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(255, 255, 255, 0.06);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ---- Header ---- */
#app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-4px);
    }
}

#app-header h1 {
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}



.guest-badge {
    background: var(--glass);
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--glass-border);
    font-size: 0.72rem;
}

.month-selector {
    display: flex;
    align-items: center;
    gap: 6px;
}

.month-nav-btn {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.month-nav-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent-1);
    transform: scale(1.05);
}

.month-nav-btn:active {
    transform: scale(0.95);
}

.month-display {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 140px;
    text-align: center;
    padding: 6px 12px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    letter-spacing: 0.3px;
}

.month-hidden-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
}

/* Iconos de calendario visibles en tema oscuro */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="month"]::-webkit-calendar-picker-indicator {
    filter: invert(0.8) brightness(1.4);
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="month"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* ---- Alerts Banner ---- */
.alerts-banner {
    padding: 0 32px;
    transition: var(--transition);
}

.alerts-banner.hidden {
    display: none;
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    margin-top: 12px;
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-sm);
    animation: slideIn 0.4s ease-out;
    font-size: 0.9rem;
}

.alert-item .alert-icon {
    font-size: 1.3rem;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

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

/* ---- Tabs Nav ---- */
.tabs-nav {
    display: flex;
    gap: 4px;
    padding: 16px 32px 0;
    position: relative;
    z-index: 1;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-bottom: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.tab-btn.active {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: rgba(99, 102, 241, 0.2);
}

.tab-btn.active::before {
    transform: scaleX(1);
}

.tab-icon {
    font-size: 1.15rem;
}

/* ---- Main ---- */
#main-content {
    padding: 0 32px 40px;
    position: relative;
    z-index: 1;
}

.tab-content {
    display: none;
    animation: fadeUp 0.45s ease-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

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

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.12);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ---- Grid Layouts ---- */
.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ---- Forms ---- */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition);
}

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

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
    background: rgba(255, 255, 255, 0.06);
}

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

/* ---- Buttons ---- */
.btn {
    padding: 11px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: var(--transition);
}

.btn:hover::after {
    background: rgba(255, 255, 255, 0.08);
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-secondary:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
    transform: translateY(-1px);
}

.btn-accent {
    background: linear-gradient(135deg, #d97706, #f59e0b);
    color: #fff;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}

.btn-accent:hover {
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
    transform: translateY(-1px);
}

.btn-export {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-export:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-1);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.78rem;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-deposit {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn-deposit:hover {
    background: rgba(16, 185, 129, 0.25);
}

.btn-withdraw {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.btn-withdraw:hover {
    background: rgba(59, 130, 246, 0.25);
}

.btn-reset {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-reset:hover {
    background: rgba(239, 68, 68, 0.22);
    border-color: var(--danger);
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.15);
    transform: translateY(-1px);
}

.btn-reset:active {
    transform: scale(0.97);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-add-transaction {
    background: linear-gradient(135deg, #960505, #b91010);
    color: #fff;
    box-shadow: 0 4px 14px rgba(185, 16, 16, 0.25);
}

.btn-add-transaction:hover {
    box-shadow: 0 6px 20px rgba(185, 16, 16, 0.35);
    transform: translateY(-1px);
}

/* ---- KPI Grid ---- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.kpi-card {
    padding: 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.kpi-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.12;
    border-radius: inherit;
}

.kpi-income {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.kpi-expense {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.kpi-balance {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.kpi-savings {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.15);
}

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

.kpi-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.kpi-value {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.kpi-income .kpi-value {
    color: var(--success);
}

.kpi-expense .kpi-value {
    color: var(--danger);
}

.kpi-balance .kpi-value {
    color: var(--info);
}

.kpi-savings .kpi-value {
    color: var(--warning);
}

.kpi-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
    font-weight: 500;
}

/* ---- Charts ---- */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* ---- Transactions List ---- */
.transactions-list {
    max-height: 400px;
    overflow-y: auto;
}

.tx-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.tx-item:hover {
    background: var(--glass);
}

.tx-item:last-child {
    border-bottom: none;
}

.tx-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.tx-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.tx-icon.income {
    background: rgba(16, 185, 129, 0.12);
}

.tx-icon.expense {
    background: rgba(239, 68, 68, 0.12);
}

.tx-details h4 {
    font-size: 0.9rem;
    font-weight: 500;
}

.tx-details p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.tx-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tx-amount {
    font-weight: 700;
    font-size: 0.95rem;
}

.tx-amount.income {
    color: var(--success);
}

.tx-amount.expense {
    color: var(--danger);
}

.tx-date {
    font-size: 0.76rem;
    color: var(--text-muted);
}

/* ---- Budget Progress ---- */
.budget-progress-list {
    display: grid;
    gap: 14px;
}

.budget-progress-item {
    padding: 14px;
    background: var(--glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.budget-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.budget-progress-header h4 {
    font-size: 0.9rem;
    font-weight: 500;
}

.budget-progress-amounts {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.progress-bar-bg {
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.progress-bar-fill.ok {
    background: var(--gradient-income);
}

.progress-bar-fill.warning {
    background: var(--gradient-savings);
}

.progress-bar-fill.danger {
    background: var(--gradient-expense);
}

.budget-status {
    font-size: 0.75rem;
    margin-top: 6px;
    font-weight: 500;
}

.budget-status.ok {
    color: var(--success);
}

.budget-status.warning {
    color: var(--warning);
}

.budget-status.danger {
    color: var(--danger);
}

/* ---- Savings Goals ---- */
.savings-goals-list {
    margin-top: 20px;
    display: grid;
    gap: 16px;
}

.savings-goal-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 18px;
    transition: var(--transition);
}

.savings-goal-card:hover {
    border-color: rgba(245, 158, 11, 0.2);
    box-shadow: var(--shadow-sm);
}

.savings-goal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.savings-goal-header h4 {
    font-size: 1rem;
    font-weight: 600;
}

.savings-goal-header .goal-deadline {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.savings-goal-amounts {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    margin-bottom: 10px;
}

.savings-goal-amounts .current {
    color: var(--warning);
    font-weight: 700;
}

.savings-goal-amounts .target {
    color: var(--text-secondary);
}

.savings-goal-projection {
    padding: 10px 14px;
    background: rgba(245, 158, 11, 0.06);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 10px;
    border-left: 3px solid var(--warning);
}

.savings-goal-projection.behind {
    background: rgba(239, 68, 68, 0.06);
    border-left-color: var(--danger);
}

.savings-goal-projection.completed {
    background: rgba(16, 185, 129, 0.06);
    border-left-color: var(--success);
}

.savings-goal-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.deposit-input {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.82rem;
    width: 120px;
    outline: none;
}

.deposit-input:focus {
    border-color: var(--success);
}

/* ---- Report ---- */
.report-summary {
    overflow-x: auto;
}

.report-summary table {
    width: 100%;
    border-collapse: collapse;
}

.report-summary th,
.report-summary td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
}

.report-summary th {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.76rem;
    letter-spacing: 0.5px;
}

.report-summary tr:hover td {
    background: var(--glass);
}

.report-total {
    font-weight: 700;
    font-size: 1rem !important;
    border-top: 2px solid var(--glass-border) !important;
}

/* ---- Recommendations ---- */
.recommendations-list {
    display: grid;
    gap: 14px;
}

.rec-item {
    display: flex;
    gap: 14px;
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    animation: fadeUp 0.5s ease-out;
}

.rec-item.success {
    background: rgba(16, 185, 129, 0.06);
    border-color: rgba(16, 185, 129, 0.15);
}

.rec-item.warning {
    background: rgba(245, 158, 11, 0.06);
    border-color: rgba(245, 158, 11, 0.15);
}

.rec-item.danger {
    background: rgba(239, 68, 68, 0.06);
    border-color: rgba(239, 68, 68, 0.15);
}

.rec-item.info {
    background: rgba(59, 130, 246, 0.06);
    border-color: rgba(59, 130, 246, 0.15);
}

.rec-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.rec-content h4 {
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.rec-content p {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 14px 24px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: toastIn 0.4s ease-out;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.hidden {
    display: none;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.info {
    border-left: 4px solid var(--info);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

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

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.6;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.18);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .grid-2col {
        grid-template-columns: 1fr;
    }

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

    .form-row-3 {
        grid-template-columns: 1fr;
    }

    #app-header {
        flex-direction: column;
        gap: 12px;
        padding: 14px 18px;
    }

    .tabs-nav {
        padding: 12px 18px 0;
    }

    #main-content {
        padding: 0 18px 30px;
    }

    .tab-label {
        display: none;
    }

    .tab-icon {
        font-size: 1.4rem;
    }
}

@media (max-width: 600px) {
    .kpi-grid {
        grid-template-columns: 1fr 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .kpi-value {
        font-size: 1.2rem;
    }
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
    overflow: hidden;
}

.login-body::before {
    display: none;
}

/* Animated blobs */
.login-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.login-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.18;
    animation: blobMove 8s ease-in-out infinite alternate;
}

.login-blob-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #6366f1, #8b5cf6);
    top: -150px;
    left: -100px;
    animation-duration: 9s;
}

.login-blob-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #10b981, #3b82f6);
    bottom: -100px;
    right: -80px;
    animation-duration: 11s;
    animation-direction: alternate-reverse;
}

@keyframes blobMove {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(40px, 30px) scale(1.08);
    }
}

/* Card */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: rgba(17, 24, 39, 0.82);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 44px 40px 36px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 102, 241, 0.1);
    animation: fadeUp 0.5s ease-out;
}

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    font-size: 3.2rem;
    display: block;
    margin-bottom: 12px;
    animation: float 3s ease-in-out infinite;
}

.login-title {
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

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

/* Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.login-form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.login-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-icon {
    position: absolute;
    left: 14px;
    font-size: 1rem;
    pointer-events: none;
    z-index: 1;
}

.login-input-wrapper input {
    width: 100%;
    padding: 13px 14px 13px 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

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

.login-input-wrapper input:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
    background: rgba(255, 255, 255, 0.08);
}

.login-toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.6;
    transition: 0.1 ease;
    padding: 4px;
    color: white;
}

.lucide-eye-icon,
.lucide-eye-closed-icon {
    width: 20px;
    /* Tamaño fijo para el SVG */
    height: 20px;
}

.lucide-eye-closed-icon {
    display: none;
}

.lucide-eye-closed-icon,
.lucide-eye-icon {
    pointer-events: none;
}

.login-toggle-password:hover {
    opacity: 1;
}

/* Error */
.login-error {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.87rem;
    color: #fca5a5;
    animation: fadeUp 0.3s ease-out;
}

.login-error.hidden {
    display: none;
}

/* Login button */
.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 4px;
}

.btn-login:hover {
    box-shadow: 0 6px 28px rgba(99, 102, 241, 0.5);
    transform: translateY(-1px);
}

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

/* Spinner */
.login-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.login-spinner.hidden {
    display: none;
}

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

/* Shake on error */
@keyframes loginShake {

    0%,
    100% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-8px);
    }

    40% {
        transform: translateX(8px);
    }

    60% {
        transform: translateX(-5px);
    }

    80% {
        transform: translateX(5px);
    }
}

.login-shake {
    animation: loginShake 0.5s ease-out;
}

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 28px;
    font-size: 0.76rem;
    color: var(--text-muted);
}

/* Logout button */
.btn-logout {
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent-3);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-logout:hover {
    background: rgba(99, 102, 241, 0.22);
    border-color: var(--accent-1);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.15);
    transform: translateY(-1px);
}

.btn-logout:active {
    transform: scale(0.97);
}