/* ==========================================
   Bangladesh Railway E-Ticket — Main Styles
   Modern, Professional, Fully Responsive
   ========================================== */

:root {
  --primary: #006633;
  --primary-dark: #004d26;
  --primary-light: #e6f2ec;
  --secondary: #e8a020;
  --secondary-dark: #c4851a;
  --accent: #d9302a;
  --accent-light: #fde8e7;
  --bg: #f4f7f4;
  --white: #ffffff;
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow:    0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.10);
  --shadow-xl: 0 20px 50px rgba(0,0,0,.12);
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-main: 'Poppins','Hind Siliguri',sans-serif;
  --transition: all 0.2s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);font-size:15px;line-height:1.65;color:var(--gray-700);background:var(--gray-50);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
ul,ol{padding-left:1.5em}

.container{max-width:1200px;margin:0 auto;padding:0 20px}

.fs-sm{font-size:.85rem}.fs-xs{font-size:.75rem}
.text-muted{color:var(--gray-500)}.text-center{text-align:center}
.fw-bold{font-weight:700}
.section-title{font-size:1.5rem;font-weight:700;color:var(--gray-900);position:relative;padding-bottom:12px}
.section-title::after{content:'';position:absolute;bottom:0;left:0;width:48px;height:3px;background:linear-gradient(90deg,var(--secondary),var(--accent));border-radius:2px}
.section-subtitle{color:var(--gray-500);margin-top:8px;font-size:.95rem}

.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}
.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-5{margin-top:20px}
.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-5{margin-bottom:24px}.mb-0{margin-bottom:0}
.grid{display:grid}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.section-pad{padding:60px 0}
.bg-light{background:var(--bg)}.bg-white{background:var(--white)}

/* TOP BAR */
.top-bar{background:var(--primary-dark);color:rgba(255,255,255,.85);padding:7px 0;font-size:.8rem;border-bottom:1px solid rgba(255,255,255,.1)}
.top-bar a{color:rgba(255,255,255,.75)}.top-bar a:hover{color:var(--secondary)}

/* HEADER */
.main-header{background:var(--white);box-shadow:0 2px 16px rgba(0,0,0,.08);position:sticky;top:0;z-index:1000;border-bottom:3px solid var(--primary)}
.main-header .container{display:flex;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px}
.header-logo{line-height:1.2}
.site-title{font-size:1.05rem;font-weight:700;color:var(--primary)}
.site-subtitle{font-size:.7rem;color:var(--gray-500)}

.main-nav{display:flex;align-items:center;gap:4px}
.main-nav>a,.main-nav>.dropdown>a{padding:10px 14px;border-radius:var(--radius-sm);color:var(--gray-700);font-size:.88rem;font-weight:500;white-space:nowrap;transition:var(--transition)}
.main-nav>a:hover,.main-nav>.dropdown>a:hover,.main-nav>a.active,.main-nav>.dropdown>a.active{color:var(--primary);background:var(--primary-light)}

.dropdown{position:relative}
.dropdown-menu{position:absolute;top:calc(100% + 6px);left:0;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-xl);min-width:220px;border:1px solid var(--gray-100);overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease;z-index:1001}
.dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{display:flex;align-items:center;padding:10px 16px;color:var(--gray-700);font-size:.88rem;border-bottom:1px solid var(--gray-50);transition:var(--transition)}
.dropdown-menu a:hover{background:var(--primary-light);color:var(--primary);padding-left:20px}
.dropdown-menu a:last-child{border-bottom:none}

.mobile-menu-btn{display:none;background:none;border:1px solid var(--gray-200);padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;color:var(--gray-700);font-size:1rem}
.mobile-nav{display:none;background:var(--white);border-top:1px solid var(--gray-100);padding:12px 0}
.mobile-nav.open{display:block}
.mobile-nav a{display:flex;align-items:center;padding:11px 20px;color:var(--gray-700);font-size:.9rem;border-bottom:1px solid var(--gray-50)}
.mobile-nav a:hover{color:var(--primary);background:var(--primary-light)}

/* ANNOUNCEMENT BAR */
.announcement-bar{background:linear-gradient(90deg,var(--primary-dark),var(--primary));color:rgba(255,255,255,.9);padding:8px 0;font-size:.82rem;overflow:hidden}
.ticker-label{background:var(--secondary);color:white;padding:3px 12px;border-radius:20px;font-size:.75rem;font-weight:700;white-space:nowrap;flex-shrink:0}
.ticker-content{overflow:hidden;flex:1}
.ticker-inner{white-space:nowrap;animation:ticker 35s linear infinite;display:inline-block}
@keyframes ticker{0%{transform:translateX(100vw)}100%{transform:translateX(-100%)}}

/* HERO */
.hero-section{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 60%,#0a8a46 100%);padding:60px 0 80px;position:relative;overflow:hidden}
.hero-section::before{content:'';position:absolute;top:-60px;right:-60px;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.04);pointer-events:none}
.hero-title{font-size:2.4rem;font-weight:800;color:white;line-height:1.2;margin-bottom:12px}
.hero-subtitle{color:rgba(255,255,255,.85);font-size:1.05rem;line-height:1.7}

/* SEARCH CARD */
.search-card{background:var(--white);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-xl);margin-top:32px;position:relative;z-index:2}
.form-label{display:block;font-size:.82rem;font-weight:600;color:var(--gray-600);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}
.form-control{width:100%;padding:11px 14px;border:1.5px solid var(--gray-200);border-radius:var(--radius);font-size:.92rem;font-family:var(--font-main);color:var(--gray-800);background:var(--white);transition:var(--transition);outline:none;appearance:none;-webkit-appearance:none}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,102,51,.12)}
.form-control::placeholder{color:var(--gray-400)}
.form-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;cursor:pointer}
.btn-search{background:linear-gradient(135deg,var(--secondary),var(--secondary-dark));color:white;border:none;padding:13px 32px;border-radius:var(--radius);font-size:.95rem;font-weight:700;cursor:pointer;width:100%;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s;box-shadow:0 4px 14px rgba(232,160,32,.4);font-family:var(--font-main)}
.btn-search:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,160,32,.5)}
.btn-search:active{transform:translateY(0)}

.journey-type-btn{display:flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;border:1.5px solid var(--gray-200);cursor:pointer;font-size:.88rem;font-weight:500;color:var(--gray-600);background:white;transition:var(--transition)}
.journey-type-btn.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:600}
.journey-type-radio{display:none}

.autocomplete-dropdown{position:absolute;top:100%;left:0;right:0;background:white;border:1px solid var(--gray-200);border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:500;max-height:220px;overflow-y:auto;margin-top:4px}
.autocomplete-item{padding:10px 16px;cursor:pointer;font-size:.9rem;color:var(--gray-700);transition:background .15s;display:flex;align-items:center;gap:8px}
.autocomplete-item::before{content:'🚉';font-size:.9em}
.autocomplete-item:hover{background:var(--primary-light);color:var(--primary)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--radius);font-size:.88rem;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:var(--transition);text-decoration:none;font-family:var(--font-main);white-space:nowrap}
.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:white;border-color:var(--primary);box-shadow:0 2px 8px rgba(0,102,51,.3)}
.btn-primary:hover{background:var(--primary-dark);color:white;box-shadow:0 4px 14px rgba(0,102,51,.4)}
.btn-secondary{background:var(--secondary);color:white;border-color:var(--secondary)}
.btn-secondary:hover{background:var(--secondary-dark);color:white}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-sm{padding:7px 14px;font-size:.82rem}
.btn-lg{padding:14px 28px;font-size:1rem}

/* CARDS */
.feature-card{background:var(--white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);border:1px solid var(--gray-100);transition:var(--transition)}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.feature-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}
.feature-title{font-size:1rem;font-weight:700;color:var(--gray-900);margin-bottom:6px}
.feature-desc{color:var(--gray-500);font-size:.88rem;line-height:1.6}

.train-card{background:var(--white);border-radius:var(--radius-lg);padding:20px;border:1px solid var(--gray-100);box-shadow:var(--shadow-sm);transition:var(--transition)}
.train-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.train-number{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:.78rem;font-weight:700;padding:3px 10px;border-radius:20px}
.train-name{font-size:1rem;font-weight:700;color:var(--gray-900);margin-top:4px}
.train-route{font-size:.85rem;color:var(--gray-500)}
.train-time{font-size:1.2rem;font-weight:800;color:var(--gray-900)}
.train-duration{text-align:center;font-size:.78rem;color:var(--gray-500);position:relative}
.duration-line{height:1px;background:linear-gradient(90deg,var(--primary),var(--secondary));margin:4px 0;position:relative}
.duration-line::after{content:'';position:absolute;right:0;top:-3px;border-left:6px solid var(--secondary);border-top:3px solid transparent;border-bottom:3px solid transparent}
.fare-badge{display:inline-block;background:linear-gradient(135deg,var(--secondary),var(--secondary-dark));color:white;font-size:.82rem;font-weight:700;padding:4px 12px;border-radius:20px}
.seat-type-row{display:flex;gap:6px;flex-wrap:wrap}
.seat-type-item{background:var(--gray-100);color:var(--gray-600);font-size:.74rem;padding:3px 10px;border-radius:20px}

.news-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--gray-100);transition:var(--transition)}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.news-img{background:linear-gradient(135deg,var(--primary-light),#d4edda);height:120px;display:flex;align-items:center;justify-content:center;font-size:3rem}
.news-body{padding:20px}
.news-date{font-size:.78rem;color:var(--gray-500);margin-bottom:8px}
.news-title{font-size:.95rem;font-weight:700;color:var(--gray-900);margin-bottom:8px;line-height:1.5}
.news-excerpt{font-size:.85rem;color:var(--gray-500);line-height:1.6}

.quick-link-card{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 12px;background:var(--white);border:1.5px solid var(--gray-100);border-radius:var(--radius-lg);transition:var(--transition);text-decoration:none;gap:10px}
.quick-link-card:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow)}
.quick-link-icon{font-size:2rem}
.quick-link-label{font-size:.85rem;font-weight:600;color:var(--gray-700);text-align:center}
.quick-link-card:hover .quick-link-label{color:var(--primary)}

/* PAGE HEADER */
.page-header{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:white;padding:40px 0;position:relative;overflow:hidden}
.page-header::after{content:'';position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.05)}
.page-header h1{font-size:1.8rem;font-weight:800;margin-bottom:10px}
.breadcrumb{display:flex;align-items:center;gap:0;list-style:none;padding:0;font-size:.85rem;opacity:.9}
.breadcrumb li a{color:rgba(255,255,255,.8)}.breadcrumb li a:hover{color:var(--secondary)}
.breadcrumb .separator{color:rgba(255,255,255,.7);padding:0 8px}
.breadcrumb .separator::before{content:'/';margin-right:8px;opacity:.6}

/* BADGES */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:700}
.badge-green{background:#d1fae5;color:#065f46}
.badge-yellow{background:#fef3c7;color:#92400e}
.badge-red{background:#fee2e2;color:#991b1b}
.badge-blue{background:#dbeafe;color:#1e40af}
.badge-primary{background:var(--primary-light);color:var(--primary)}

/* ALERTS */
.alert{display:flex;align-items:flex-start;gap:12px;padding:14px 18px;border-radius:var(--radius);font-size:.9rem;line-height:1.6;margin-bottom:16px}
.alert i{font-size:1.1rem;flex-shrink:0;margin-top:2px}
.alert-info{background:#eff6ff;border-left:4px solid #3b82f6;color:#1e40af}
.alert-success{background:#f0fdf4;border-left:4px solid #22c55e;color:#166534}
.alert-warning{background:#fffbeb;border-left:4px solid #f59e0b;color:#92400e}
.alert-danger{background:#fef2f2;border-left:4px solid #ef4444;color:#991b1b}

/* STATS */
.stats-section{background:linear-gradient(135deg,var(--primary-dark),var(--primary));padding:50px 0}
.stat-card{text-align:center}
.stat-number{font-size:2.5rem;font-weight:800;color:var(--secondary);line-height:1}
.stat-label{font-size:.85rem;color:rgba(255,255,255,.8);margin-top:8px}

/* SEARCH RESULTS */
.result-card{background:var(--white);border-radius:var(--radius-lg);border:1.5px solid var(--gray-100);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);margin-bottom:16px}
.result-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.result-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:var(--gray-50);border-bottom:1px solid var(--gray-100)}
.result-timing{display:flex;align-items:center;gap:24px;padding:18px 20px}
.result-classes{display:flex;gap:10px;padding:0 20px 16px;flex-wrap:wrap}
.class-option{flex:1;min-width:100px;border:1.5px solid var(--gray-200);border-radius:var(--radius);padding:12px;text-align:center;cursor:pointer;transition:var(--transition)}
.class-option:hover,.class-option.selected{border-color:var(--primary);background:var(--primary-light)}
.class-option.unavailable{opacity:.5;cursor:not-allowed;background:var(--gray-50)}
.class-name{font-size:.78rem;font-weight:600;color:var(--gray-600)}
.class-fare{font-size:1rem;font-weight:800;color:var(--gray-900)}
.class-avail{font-size:.72rem;color:var(--gray-400);margin-top:2px}
.avail-ok{color:#059669}.avail-low{color:#d97706}.avail-none{color:#dc2626}

/* PNR */
.pnr-ticket{background:var(--white);border-radius:var(--radius-lg);border:2px solid var(--primary);overflow:hidden;box-shadow:var(--shadow-lg)}
.pnr-ticket-header{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:white;padding:20px 24px;display:flex;justify-content:space-between;align-items:center}
.pnr-ticket-body{padding:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pnr-field-label{font-size:.75rem;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.pnr-field-value{font-size:.95rem;font-weight:700;color:var(--gray-900)}
.pnr-status-confirmed{color:#059669}.pnr-status-waitlisted{color:#d97706}

/* FARE TABLE */
.fare-table-wrap{overflow-x:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.fare-table{width:100%;border-collapse:collapse;background:var(--white);font-size:.88rem}
.fare-table th{background:var(--primary);color:white;padding:12px 16px;text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}
.fare-table td{padding:11px 16px;border-bottom:1px solid var(--gray-100);color:var(--gray-700)}
.fare-table tr:nth-child(even){background:var(--gray-50)}
.fare-table tr:hover{background:var(--primary-light)}
.fare-table td:first-child{font-weight:600;color:var(--gray-900)}
.fare-table .fare-amount{font-weight:700;color:var(--primary)}
.fare-table .na{color:var(--gray-300)}

/* FOOTER */
.main-footer{background:var(--gray-900);color:rgba(255,255,255,.8);padding:60px 0 0}
.footer-brand .logo-text{font-size:1.1rem;font-weight:700;color:white}
.footer-desc{font-size:.88rem;color:rgba(255,255,255,.6);line-height:1.7;margin-bottom:20px}
.footer-heading{font-size:.88rem;font-weight:700;color:var(--secondary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:20px}
.footer-links{list-style:none;padding:0}
.footer-links li{margin-bottom:8px}
.footer-links a{color:rgba(255,255,255,.65);font-size:.88rem;transition:var(--transition);display:flex;align-items:center;gap:6px}
.footer-links a::before{content:'›';color:var(--secondary);font-weight:700}
.footer-links a:hover{color:var(--secondary);padding-left:4px}
.footer-contact{list-style:none;padding:0}
.footer-contact li{display:flex;gap:12px;margin-bottom:14px;font-size:.88rem;color:rgba(255,255,255,.7);line-height:1.5}
.footer-contact li>span:first-child{width:20px;flex-shrink:0;color:var(--secondary);padding-top:2px}
.social-links{display:flex;gap:10px}
.social-link{width:36px;height:36px;background:rgba(255,255,255,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:.9rem;transition:var(--transition)}
.social-link:hover{background:var(--secondary);color:white}
.footer-bottom{background:rgba(0,0,0,.2);padding:16px 0;margin-top:40px;font-size:.82rem;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.5)}.footer-bottom a:hover{color:var(--secondary)}

/* BACK TO TOP */
#backToTop{position:fixed;bottom:28px;right:28px;width:44px;height:44px;background:var(--primary);color:white;border:none;border-radius:50%;font-size:.95rem;cursor:pointer;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:all .3s;z-index:999}
#backToTop.visible{opacity:1;pointer-events:all}
#backToTop:hover{background:var(--secondary);transform:translateY(-3px)}

.loading-spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(0,0,0,.1);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* RESPONSIVE */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:2rem}
}
@media(max-width:768px){
  .main-nav{display:none!important}
  .mobile-menu-btn{display:block}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-section{padding:40px 0 60px}
  .hero-title{font-size:1.6rem}
  .search-card{padding:20px}
  .section-pad{padding:40px 0}
  .main-footer .grid{grid-template-columns:1fr 1fr!important}
  .pnr-ticket-body{grid-template-columns:1fr 1fr}
  .stats-section .grid{grid-template-columns:repeat(2,1fr)}
  .fare-table{font-size:.8rem}
  .d-none{display:none}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .grid-2,.grid-4{grid-template-columns:1fr}
  .hero-title{font-size:1.4rem}
  .main-footer .grid{grid-template-columns:1fr!important}
  .pnr-ticket-body{grid-template-columns:1fr}
  #backToTop{bottom:16px;right:16px}
}
@media print{
  .top-bar,.main-header,.announcement-bar,.main-footer,#backToTop,.btn,.hero-section nav{display:none!important}
  .pnr-ticket{border:2px solid #000!important}
}