/* ==========================================================================
   রূপসী বাংলাদেশ (Rupasi Bangladesh) — Master Universal Stylesheet
   Governing Authority: Bangladesh Parjatan Corporation (BPC)
   Design System: Matched with bpcbd.lovable.app
   ========================================================================== */

/* 1. GOOGLE FONTS IMPORT (Must be at the very top of CSS before other rules) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=block');

/* 2. LOCAL BENGALI FONT DEFINITION (Kalpurush) */
@font-face {
    font-family: 'Kalpurush';
    src: url('../fonts/kalpurush.woff2') format('woff2'),
         url('../fonts/kalpurush.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: block;
    unicode-range: U+0980-09FF;
}

@font-face {
    font-family: 'Kalpurush';
    src: url('../fonts/kalpurush.woff2') format('woff2'),
         url('../fonts/kalpurush.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: block;
    unicode-range: U+0980-09FF;
}

/* 3. ROOT DESIGN TOKENS (Matched from bpcbd.lovable.app) */
:root {
    --primary: #0d5c3a;
    --primary-hover: #09462c;
    --primary-light: #e8f5ee;
    --primary-dark: #063421;
    
    --gold: #d97706;
    --gold-hover: #b45309;
    --gold-light: #fef3c7;
    --gold-border: rgba(217, 119, 6, 0.35);

    --ink: #0b1a13;
    --ink-light: #162a21;
    --ink-foreground: #ffffff;
    --ink-muted: rgba(255, 255, 255, 0.75);

    --bg-main: #f8faf9;
    --bg-card: #ffffff;
    --bg-secondary: #f1f5f3;

    --border: #e2e8f0;
    --border-dark: #cbd5e1;
    
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;

    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

    --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-bn: 'Kalpurush', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-base: 'Kalpurush', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 4. BASE & TYPOGRAPHY */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body, button, input, select, textarea {
    font-family: var(--font-base);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-main);
}

body {
    background-color: var(--bg-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-base);
    color: var(--text-main);
    line-height: 1.3;
}

/* Dark Container Heading Contrast Fix: Ensure headings inside dark backgrounds stay bright white */
[style*="background:linear-gradient"] h1,
[style*="background: linear-gradient"] h1,
[style*="background:linear-gradient"] h2,
[style*="background: linear-gradient"] h2,
[style*="background:linear-gradient"] h3,
[style*="background: linear-gradient"] h3,
[style*="background:#064e3b"] h1,
[style*="background: #064e3b"] h1,
[style*="background:#064e3b"] h2,
[style*="background: #064e3b"] h2,
[style*="background:#064e3b"] h3,
[style*="background: #064e3b"] h3,
.hero h1, .hero h2, .hero h3, .hero h4,
.portal-hero h1, .portal-hero h2, .portal-hero h3, .portal-hero h4,
.carnival-hero h1, .carnival-hero h2, .carnival-hero h3, .carnival-hero h4,
.dashboard-header-hub h1, .dashboard-header-hub h2, .dashboard-header-hub h3,
.admin-login-header h1, .admin-login-header h2, .admin-login-header h3,
.provider-auth-header h1, .provider-auth-header h2, .provider-auth-header h3,
.auth-header h1, .auth-header h2, .auth-header h3,
.weather-hero h1, .weather-hero h2, .weather-hero h3,
.itinerary-hero h1, .itinerary-hero h2, .itinerary-hero h3,
.grs-hero h1, .grs-hero h2, .grs-hero h3,
.ai-page-header h1, .ai-page-header h2, .ai-page-header h3 {
    color: #ffffff !important;
}

/* Strict English Typography Override (Never Serif / Times New Roman) */
html[lang="en"],
body.font-en {
    font-family: var(--font-en);
}

body.font-en h1,
body.font-en h2,
body.font-en h3,
body.font-en h4,
body.font-en h5,
body.font-en h6,
body.font-en p,
body.font-en input,
body.font-en select,
body.font-en textarea,
body.font-en label,
body.font-en .portal-logo-text h1,
body.font-en .portal-logo-text p,
.font-en {
    font-family: var(--font-en);
}

/* Explicitly Protect FontAwesome Icons from font-family overrides in any locale */
.fa, .fas, .far, .fal, .fad, .fab, .fa-solid, .fa-regular, .fa-light, .fa-thin, .fa-duotone, .fa-brands,
[class*="fa-"], [class^="fa-"] {
    font-family: "Font Awesome 6 Free", "Font Awesome 6 Brands" !important;
}
.fa-brands, [class*="fa-brands"] {
    font-family: "Font Awesome 6 Brands" !important;
}
.fa-solid, .fas {
    font-weight: 900 !important;
}
.fa-regular, .far {
    font-weight: 400 !important;
}

/* Strict Bengali Typography */
html[lang="bn"],
body.font-bn,
body.font-bn h1,
body.font-bn h2,
body.font-bn h3,
body.font-bn h4,
body.font-bn h5,
body.font-bn h6,
body.font-bn p,
body.font-bn span,
body.font-bn a,
body.font-bn button,
body.font-bn input,
body.font-bn select,
body.font-bn textarea,
body.font-bn label,
.font-bn {
    font-family: var(--font-bn);
}

/* Universal 1-Line Button Text (Never wrap into 2 lines) */
button,
.btn,
a.btn,
input[type="button"],
input[type="submit"],
input[type="reset"],
.lang-dropdown-btn,
.service-catalog-link,
.day-tab,
.qty-btn {
    white-space: nowrap !important;
    word-break: keep-all !important;
    overflow-wrap: normal !important;
    flex-shrink: 0 !important;
}

/* 5. UTILITY & CONTAINER */
.container {
    width: 100%;
    max-width: 1240px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* 6. BUTTON STYLES */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    user-select: none;
    white-space: nowrap !important;
    word-break: keep-all !important;
    overflow-wrap: normal !important;
    flex-shrink: 0 !important;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--primary);
    border-color: var(--border);
}
.btn-secondary:hover {
    background-color: #e2e8f0;
}

.btn-gold {
    background-color: var(--gold);
    color: #ffffff;
    border-color: var(--gold);
}
.btn-gold:hover {
    background-color: var(--gold-hover);
}

.btn-warning {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%) !important;
    color: #0f172a !important;
    border: 1px solid #fde047 !important;
    font-weight: 800 !important;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.45);
}
.btn-warning:hover {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    color: #0f172a !important;
    border-color: #f59e0b !important;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.6);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background-color: var(--primary-light);
}

.btn-dark {
    background-color: rgba(11, 26, 19, 0.75);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
}
.btn-dark:hover {
    background-color: rgba(11, 26, 19, 0.95);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}
.btn-lg {
    padding: 13px 26px;
    font-size: 16px;
    border-radius: var(--radius-md);
}

/* 6. BADGES & PILLS */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary);
}

.badge-gold {
    background-color: var(--gold-light);
    color: var(--gold);
    border: 1px solid var(--gold-border);
}

.badge-dark {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    backdrop-filter: blur(4px);
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

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

/* 7. CARDS & PANELS */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

/* 8. FORM CONTROLS */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-main);
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--text-main);
    background-color: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 92, 58, 0.15);
}

.form-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
    display: none;
}
.form-error.active {
    display: block;
}

/* 9. TOAST NOTIFICATION CONTAINER */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    min-width: 300px;
    max-width: 420px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-left: 5px solid var(--primary);
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    font-size: 13.5px;
    font-weight: 600;
    color: #0f172a !important;
}

.toast span, .toast div {
    color: #0f172a !important;
}

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

.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }
.toast-info { border-left-color: var(--info); }

/* 10. AJAX GLOBAL LOADER */
#global-ajax-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    z-index: 999999;
    display: none;
    animation: loader-slide 1.5s infinite ease-in-out;
}

@keyframes loader-slide {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0%); }
    100% { transform: translateX(100%); }
}

/* 11. BILINGUAL SWITCHER */
.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.15);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.admin-header .lang-switcher,
.admin-topbar .lang-switcher {
    background: #f1f5f9;
    border: 1px solid var(--border);
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #ffffff;
    font-size: 12px;
    padding: 2px 5px;
    font-weight: 500;
    transition: var(--transition);
}

.admin-header .lang-btn,
.admin-topbar .lang-btn {
    color: var(--text-muted);
}

.lang-btn.active {
    color: #fde68a !important;
    font-weight: 700;
}

.admin-header .lang-btn.active,
.admin-topbar .lang-btn.active {
    color: var(--primary) !important;
    font-weight: 700;
}

/* 12. LANGUAGE DROPDOWN COMPONENT (Official BPC Specification) */
.lang-dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.lang-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: #ffffff;
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap !important;
    word-break: keep-all !important;
    flex-shrink: 0 !important;
}

.lang-dropdown-btn:hover,
.lang-dropdown-wrapper.open .lang-dropdown-btn {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    min-width: 150px;
    padding: 6px;
    display: none;
    z-index: 99999;
}

.lang-dropdown-wrapper.open .lang-dropdown-menu {
    display: block;
}

.lang-option {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border: none;
    background: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
}

.lang-option:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.lang-option.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
}