/* ==========================================================================
   DESIGN SYSTEM: GLASSMORPHISM & NEON DARK-THEME
   Alcaldía de Rionegro - Centro de Inteligencia Fiscal
   ========================================================================== */

/* Variables & Tokens */
:root {
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Municipal palette */
    --hue-primary: 205;
    --hue-secondary: 43;
    --hue-success: 145;   /* Emerald Green */
    --hue-warning: 35;    /* Amber Orange */
    --hue-danger: 350;    /* Alizarin Red */

    --color-bg-dark: #f0f4f8;             /* Soft light blue-gray background */
    --color-bg-deep: #e2eaf0;             /* Section and card panel background */
    
    --color-primary: #1565c0;             /* Strong, elegant municipal blue */
    --color-primary-glow: rgba(21, 101, 192, 0.08);
    --color-primary-hover: #0d47a1;
    
    --color-secondary: #f57c00;           /* Elegant warm gold/amber */
    --color-secondary-glow: rgba(245, 124, 0, 0.08);
    --color-secondary-hover: #e65100;

    --color-success: #2e7d32;             /* Forest green */
    --color-success-bg: rgba(46, 125, 50, 0.08);
    
    --color-warning: #f9a825;             /* Amber yellow */
    --color-warning-bg: rgba(249, 168, 37, 0.08);
    
    --color-danger: #c62828;              /* Strong red */
    --color-danger-bg: rgba(198, 40, 40, 0.08);

    --color-text-main: #1e293b;           /* Slate 800 for dark readable text */
    --color-text-muted: #475569;          /* Slate 600 for labels and subtitles */
    --color-text-inverse: #ffffff;        /* White text for primary buttons */

    /* Glassmorphic variables tailored for a soft premium light theme */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.85);
    --glass-border-hover: rgba(21, 101, 192, 0.15);
    --glass-shadow: 0 10px 30px rgba(30, 96, 145, 0.05);
    --glass-blur: blur(20px);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.25;
}

/* Animated Glowing Backgrounds */
.glow-bg {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 80%);
    top: -200px;
    left: -200px;
    animation: pulseGlow 15s infinite alternate ease-in-out;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-secondary) 0%, transparent 80%);
    bottom: -150px;
    right: -100px;
    animation: pulseGlow 12s infinite alternate-reverse ease-in-out;
}

.glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, hsl(var(--hue-primary), 80%, 45%) 0%, transparent 80%);
    top: 50%;
    left: 60%;
    transform: translate(-50%, -50%);
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.3; }
    100% { transform: scale(1.15) translate(50px, 30px); opacity: 0.5; }
}

/* App Container Layout */
.app-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

/* Scrollbars styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Shared UI Components */
.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.glass:hover {
    border-color: var(--glass-border-hover);
}

/* Helper Utilities */
.hidden {
    display: none !important;
}

.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }

.margin-top-md { margin-top: 20px !important; }
.margin-bottom-md { margin-bottom: 20px !important; }
.max-width-md { max-width: 600px; margin: 0 auto; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, hsl(var(--hue-primary), 80%, 45%) 100%);
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
    box-shadow: 0 6px 20px hsla(var(--hue-primary), 85%, 65%, 0.35);
    transform: translateY(-2px);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, hsl(var(--hue-secondary), 90%, 45%) 100%);
    box-shadow: 0 4px 15px var(--color-secondary-glow);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-secondary-hover) 0%, var(--color-secondary) 100%);
    box-shadow: 0 6px 20px hsla(var(--hue-secondary), 90%, 60%, 0.35);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
    border-radius: var(--radius-md);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--color-text-main);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    background: var(--color-primary-glow);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: scale(1.05);
}

.btn-logout:hover {
    background: var(--color-danger-bg);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

/* Form Controls */
.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

label {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(21, 101, 192, 0.15);
    border-radius: var(--radius-sm);
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: var(--transition-smooth);
}

input:focus, select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(21, 101, 192, 0.15);
    background: #ffffff;
}

select option {
    background: #ffffff;
    color: var(--color-text-main);
}

.form-text {
    font-size: 11px;
    color: var(--color-text-muted);
}

/* Custom Checkbox Design */
.checkbox-group {
    margin: 15px 0;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    position: relative;
    cursor: pointer;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: relative;
    height: 20px;
    width: 20px;
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(21, 101, 192, 0.2);
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 3px;
    transition: var(--transition-smooth);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--color-primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 8px var(--color-primary-glow);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-text {
    display: flex;
    flex-direction: column;
}

.checkbox-text strong {
    font-family: var(--font-heading);
    font-size: 14px;
    color: var(--color-text-main);
}

.checkbox-text small {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    margin: 15px 0;
    font-size: 13px;
    border: 1px solid transparent;
}

.alert-danger {
    background: var(--color-danger-bg);
    border-color: rgba(var(--hue-danger), 80%, 55%, 0.2);
    color: hsl(var(--hue-danger), 95%, 75%);
}

.alert-info {
    background: var(--color-secondary-glow);
    border-color: rgba(var(--hue-secondary), 90%, 60%, 0.2);
    color: hsl(var(--hue-secondary), 95%, 75%);
}

/* -------------------- 1. LOGIN STYLING -------------------- */
.login-view {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 28px;
    background: linear-gradient(135deg, #ffffff 0%, #e6f2ff 100%);
}

.login-shell {
    width: min(820px, 100%);
    min-height: min(720px, calc(100vh - 56px));
    display: grid;
    grid-template-columns: 382px 1fr;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid rgba(21, 101, 192, 0.12);
    box-shadow: 0 20px 60px rgba(30, 96, 145, 0.08);
}

.login-visual {
    min-height: 100%;
    background: url('/static/img/login-rionegro.png') center center / 100% 100% no-repeat;
    position: relative;
    border-right: 1px solid rgba(21, 101, 192, 0.15);
}

.login-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 40px rgba(7, 52, 91, 0.25);
    pointer-events: none;
}

.login-card {
    width: 100%;
    max-width: none;
    padding: clamp(30px, 5vw, 52px);
    position: relative;
    border: 0;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.login-header {
    text-align: center;
    margin-bottom: 24px;
    line-height: 1.2;
}

.brand-logo {
    font-size: 48px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
    display: inline-block;
    filter: drop-shadow(0 0 10px var(--color-primary-glow));
}

.login-header h1 {
    font-size: 21px;
    font-weight: 800;
    white-space: nowrap;
    background: linear-gradient(135deg, #0a2540 0%, #1565c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.2px;
    display: block;
    width: fit-content;
    margin: 0 auto 3px auto;
}

.login-header h2 {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.3px;
    background: linear-gradient(135deg, #0a2540 0%, #1565c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    width: fit-content;
    margin: 0 auto 3px auto;
}

.subtitle {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    background: linear-gradient(135deg, #0a2540 0%, #1565c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    width: fit-content;
    margin: 0 auto;
}

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

.password-wrapper input {
    padding-right: 45px;
}

.toggle-pwd {
    position: absolute;
    right: 12px;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition-smooth);
    z-index: 10;
}

.toggle-pwd:hover {
    color: var(--color-primary);
}

/* -------------------- 2. DASHBOARD GENERAL -------------------- */
.dashboard-view {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 30px;
    border-radius: 0;
    border-bottom: 1px solid rgba(255,255,255,0.18);
    margin-bottom: 4px;
    background: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 4px 24px rgba(21,101,192,0.10);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-icon-small {
    font-size: 28px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 5px var(--color-primary-glow));
}

.header-brand h1 {
    font-size: 20px;
    font-weight: 700;
}

.header-subtitle {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    padding: 6px 16px;
    border-radius: var(--radius-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    color: #ffffff;
}

.user-role {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-secondary);
}

.profile-actions {
    display: flex;
    gap: 8px;
    border-left: 1px solid var(--glass-border);
    padding-left: 12px;
    margin-left: 4px;
}

/* Dashboard Body */
.dashboard-body {
    display: flex;
    flex: 1;
    padding: 20px 30px;
    gap: 20px;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

/* Sidebar Menu */
.sidebar {
    width: 240px;
    flex-shrink: 0;
    padding: 20px 10px;
    align-self: flex-start;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
    padding: 14px 20px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-smooth);
}

.nav-item i {
    font-size: 18px;
    transition: var(--transition-smooth);
}

.nav-item:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.02);
}

.nav-item.active {
    color: #ffffff;
    background: var(--color-primary-glow);
    border-color: rgba(var(--hue-primary), 85%, 65%, 0.2);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.nav-item.active i {
    color: var(--color-primary);
    transform: scale(1.1);
}

/* Content Area */
.content-area {
    flex: 1;
    min-width: 0;
}

.tab-pane {
    display: none;
}

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

/* Card layout */
.card {
    padding: 30px;
    margin-bottom: 20px;
}

.card-header {
    margin-bottom: 25px;
}

.card-header h3 {
    font-size: 18px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header p {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* Pane Header Flex (for administrative tabs) */
.pane-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

/* -------------------- 3. PANE: LIQUEUR (LIQUIDATOR) -------------------- */
.pane-grid {
    display: grid;
    grid-template-columns: 1.1fr 1.3fr;
    gap: 20px;
    align-items: start;
}

@media (max-width: 1024px) {
    .pane-grid {
        grid-template-columns: 1fr;
    }
}

/* Result Card placeholders */
.result-placeholder-body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    min-height: 400px;
}

.result-placeholder {
    text-align: center;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.placeholder-icon {
    font-size: 48px;
    color: rgba(255, 255, 255, 0.05);
    background: linear-gradient(135deg, var(--color-primary-glow) 0%, var(--color-secondary-glow) 100%);
    padding: 30px;
    border-radius: 50%;
    border: 1px dashed var(--glass-border);
}

.result-placeholder p {
    color: var(--color-text-muted);
    font-size: 13px;
}

/* Results Content */
.result-total-banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, var(--color-primary-glow) 0%, var(--color-secondary-glow) 100%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.result-total-banner::before {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
    opacity: 0.1;
    top: -50px;
    right: -50px;
}

.banner-title {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-secondary);
    letter-spacing: 1.5px;
    margin-bottom: 4px;
}

.banner-value {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 8px rgba(21, 101, 192, 0.25));
    margin: 4px 0;
}

.banner-subtitle {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.result-breakdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

.breakdown-item {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.breakdown-item .label {
    font-size: 11px;
    color: var(--color-text-muted);
}

.breakdown-item .value {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
}

/* Formula Box */
.formula-box {
    background: linear-gradient(135deg, var(--color-primary-glow) 0%, var(--color-secondary-glow) 100%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 18px;
}

.formula-box h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
}

.rules-text {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-text-main);
    white-space: pre-wrap;
    word-break: normal;
    overflow-wrap: break-word;
}

/* -------------------- 4. ADMINISTRATIVE TABLES -------------------- */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th, .table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
}

.table th {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tr {
    transition: var(--transition-smooth);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.015);
}

.table td {
    font-size: 13.5px;
}

/* Table action/filter area */
.select-filters {
    display: flex;
    flex-direction: column;
}

.table-actions-filter {
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    padding: 6px 16px;
    border-radius: var(--radius-sm);
}

.table-actions-filter label {
    font-size: 12px;
    white-space: nowrap;
}

.select-sm {
    padding: 6px 12px;
    font-size: 12px;
    width: auto;
    background: rgba(0, 0, 0, 0.3);
}

/* Badges */
.badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 30px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-primary { background: var(--color-primary-glow); color: var(--color-primary); }

/* Table Action buttons */
.table-actions {
    display: flex;
    gap: 8px;
}

/* -------------------- 5. MODAL SYSTEM -------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 8, 20, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    display: none !important;
}

.modal-card {
    width: 100%;
    max-width: 500px;
    padding: 30px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.modal-overlay:not(.hidden) .modal-card {
    transform: translateY(0);
}

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

.modal-header h3 {
    font-size: 18px;
}

.btn-close-modal {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-close-modal:hover {
    color: #ffffff;
}

/* -------------------- 6. TOAST MESSAGES -------------------- */
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(18, 14, 30, 0.85);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-sm);
    color: #ffffff;
    box-shadow: var(--glass-shadow);
    min-width: 300px;
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateX(0);
}

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

.toast-icon-success { color: var(--color-success); }
.toast-icon-error { color: var(--color-danger); }
.toast-icon-info { color: var(--color-secondary); }

.toast-content {
    font-size: 13px;
    font-weight: 500;
}

/* Responsive sidebar tweaks */
@media (max-width: 768px) {
    .login-view {
        padding: 0;
        align-items: stretch;
    }
    .login-shell {
        min-height: 100vh;
        grid-template-columns: 1fr;
        border-radius: 0;
        border: 0;
    }
    .login-visual {
        min-height: 255px;
        background: url('/static/img/login-rionegro.png') center center / cover no-repeat;
        border-bottom: 1px solid rgba(21, 101, 192, 0.15);
    }
    .login-visual::after {
        background: none;
        box-shadow: inset 0 0 30px rgba(7, 52, 91, 0.25);
    }
    .login-card {
        min-height: calc(100vh - 255px);
    }
    .login-card::before {
        width: 100%;
        height: 4px;
        bottom: auto;
    }
    .dashboard-body {
        flex-direction: column;
        padding: 15px;
    }
    .sidebar {
        width: 100%;
    }
    .nav-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 5px;
    }
    .nav-item {
        white-space: nowrap;
        padding: 10px 16px;
    }
}

/* ====== HEADER BRAND LOGIN-STYLE ====== */
.header-brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0 0 1px 0;
    background: linear-gradient(135deg, #0a2540 0%, #1565c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.2px;
    line-height: 1.15;
}

.header-brand-sub {
    font-size: 0.88rem;
    font-weight: 600;
    margin: 0 0 1px 0;
    background: linear-gradient(135deg, #0a2540 0%, #1565c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.3px;
    line-height: 1.15;
}

.header-brand-caption {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: linear-gradient(135deg, #0a2540 0%, #1565c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
    line-height: 1.15;
}