/**
 * Estilos Modernos UMSA - Encuesta para Titulación
 * Sistema de Registro Universitario
 * DTIC - DSIE UMSA
 */

            :root {
                --umsa-blue-dark: #001A2E;
                --umsa-blue: #002B49;
                --umsa-blue-light: #004677;
                --umsa-accent: #0284C7;
                --umsa-gold: #D4AF37;
                --umsa-gold-hover: #B89628;
                --umsa-gold-light: #FEF9C3;
                --bg-light: #F8FAFC;
                --card-bg: #FFFFFF;
                --text-main: #0F172A;
                --text-muted: #64748B;
                --border-color: #E2E8F0;
                --danger: #EF4444;
                --danger-bg: #FEF2F2;
                --danger-border: #FECACA;
                --radius-sm: 8px;
                --radius-md: 14px;
                --radius-lg: 20px;
                --shadow-sm: 0 2px 4px rgba(0, 43, 73, 0.04);
                --shadow-md: 0 10px 25px -5px rgba(0, 43, 73, 0.08), 0 8px 10px -6px rgba(0, 43, 73, 0.04);
                --shadow-lg: 0 20px 35px -10px rgba(0, 43, 73, 0.14), 0 1px 3px rgba(0, 43, 73, 0.08);
                --shadow-glow: 0 0 25px rgba(212, 175, 55, 0.35);
            }

            * {
                box-sizing: border-box;
            }

            body, html {
                width: 100%;
                height: 100%;
                font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
                color: var(--text-main);
                background-color: var(--bg-light);
                scroll-behavior: smooth;
                -webkit-font-smoothing: antialiased;
            }

            /* ========== NAVBAR ========== */
            .navbar-umsa {
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border: none;
                border-bottom: 1px solid rgba(0, 43, 73, 0.08);
                box-shadow: 0 4px 20px -2px rgba(0, 43, 73, 0.06);
                padding: 10px 0;
                transition: all 0.3s ease;
                z-index: 1030;
            }

            .navbar-umsa .navbar-brand {
                display: flex;
                align-items: center;
                gap: 12px;
                height: auto;
                padding: 4px 15px;
            }

            .navbar-umsa .brand-logo {
                width: 36px;
                height: 40px;
                object-fit: contain;
                filter: drop-shadow(0 2px 4px rgba(0,0,0,0.12));
                transition: transform 0.25s ease;
            }

            .navbar-umsa .brand-logo:hover {
                transform: scale(1.05);
            }

            .navbar-umsa .brand-text {
                display: flex;
                flex-direction: column;
                line-height: 1.15;
            }

            .navbar-umsa .brand-univ {
                font-size: 10px;
                font-weight: 700;
                letter-spacing: 1.2px;
                color: var(--umsa-gold-hover);
                text-transform: uppercase;
            }

            .navbar-umsa .brand-system {
                font-family: 'Outfit', sans-serif;
                font-size: 15px;
                font-weight: 700;
                color: var(--umsa-blue);
                letter-spacing: -0.2px;
            }

            .navbar-umsa .navbar-nav > li > a {
                color: var(--text-main);
                font-size: 13.5px;
                font-weight: 600;
                padding: 10px 16px;
                border-radius: 9999px;
                margin: 0 3px;
                transition: all 0.2s ease;
            }

            .navbar-umsa .navbar-nav > li > a:hover,
            .navbar-umsa .navbar-nav > li > a:focus {
                color: var(--umsa-blue);
                background-color: rgba(0, 43, 73, 0.06);
            }

            .navbar-umsa .navbar-nav > li.nav-cta > a {
                background: linear-gradient(135deg, var(--umsa-blue) 0%, var(--umsa-blue-light) 100%);
                color: #FFFFFF !important;
                padding: 8px 18px;
                box-shadow: 0 4px 10px rgba(0, 43, 73, 0.2);
            }

            .navbar-umsa .navbar-nav > li.nav-cta > a:hover {
                box-shadow: 0 6px 14px rgba(0, 43, 73, 0.3);
                transform: translateY(-1px);
            }

            /* ========== HERO BANNER ========== */
            .hero-section {
                position: relative;
                padding-top: 130px;
                padding-bottom: 90px;
                background: linear-gradient(135deg, rgba(0, 26, 46, 0.94) 0%, rgba(0, 43, 73, 0.92) 50%, rgba(0, 70, 119, 0.90) 100%),
                            url('../img/umsa_pad.jpg') center center / cover no-repeat;
                color: #FFFFFF;
                overflow: hidden;
                text-align: center;
            }

            /* Ambient Glow */
            .hero-section::before {
                content: '';
                position: absolute;
                top: -20%;
                left: 50%;
                transform: translateX(-50%);
                width: 700px;
                height: 400px;
                background: radial-gradient(circle, rgba(212, 175, 55, 0.18) 0%, rgba(2, 132, 199, 0.15) 50%, transparent 70%);
                filter: blur(50px);
                pointer-events: none;
            }

            .hero-badge {
                display: inline-flex;
                align-items: center;
                gap: 8px;
                padding: 6px 16px;
                background: rgba(255, 255, 255, 0.12);
                border: 1px solid rgba(255, 255, 255, 0.2);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                border-radius: 9999px;
                font-size: 12px;
                font-weight: 600;
                letter-spacing: 0.8px;
                color: var(--umsa-gold-light);
                margin-bottom: 22px;
                text-transform: uppercase;
            }

            .hero-icon-wrapper {
                width: 72px;
                height: 72px;
                margin: 0 auto 20px auto;
                background: rgba(255, 255, 255, 0.1);
                border: 2px solid rgba(212, 175, 55, 0.4);
                border-radius: 50%;
                display: flex;
                align-items: center;
                justify-content: center;
                box-shadow: 0 0 25px rgba(212, 175, 55, 0.25);
                transition: transform 0.3s ease;
            }

            .hero-icon-wrapper:hover {
                transform: scale(1.08) rotate(5deg);
            }

            .hero-icon-wrapper i {
                font-size: 34px;
                color: var(--umsa-gold);
            }

            .hero-title {
                font-family: 'Outfit', sans-serif;
                font-size: 42px;
                font-weight: 800;
                letter-spacing: -0.5px;
                line-height: 1.15;
                margin-bottom: 14px;
                text-shadow: 0 2px 10px rgba(0,0,0,0.3);
            }

            .hero-subtitle {
                font-size: 17px;
                font-weight: 400;
                color: rgba(255, 255, 255, 0.88);
                max-width: 680px;
                margin: 0 auto 30px auto;
                line-height: 1.55;
            }

            .hero-buttons {
                display: flex;
                justify-content: center;
                gap: 14px;
                flex-wrap: wrap;
            }

            .btn-hero-primary {
                display: inline-flex;
                align-items: center;
                gap: 10px;
                padding: 13px 28px;
                background: linear-gradient(135deg, var(--umsa-gold) 0%, #E6C555 100%);
                color: var(--umsa-blue-dark) !important;
                font-weight: 700;
                font-size: 15px;
                border-radius: 12px;
                border: none;
                box-shadow: 0 6px 18px rgba(212, 175, 55, 0.35);
                text-decoration: none !important;
                transition: all 0.25s ease;
            }

            .btn-hero-primary:hover {
                transform: translateY(-2px);
                box-shadow: 0 8px 24px rgba(212, 175, 55, 0.5);
                color: var(--umsa-blue-dark) !important;
            }

            .btn-hero-secondary {
                display: inline-flex;
                align-items: center;
                gap: 10px;
                padding: 13px 26px;
                background: rgba(255, 255, 255, 0.12);
                border: 1px solid rgba(255, 255, 255, 0.25);
                backdrop-filter: blur(10px);
                color: #FFFFFF !important;
                font-weight: 600;
                font-size: 15px;
                border-radius: 12px;
                text-decoration: none !important;
                transition: all 0.25s ease;
            }

            .btn-hero-secondary:hover {
                background: rgba(255, 255, 255, 0.22);
                border-color: rgba(255, 255, 255, 0.4);
                transform: translateY(-2px);
                color: #FFFFFF !important;
            }

            /* ========== MAIN CONTENT / FORM SECTION ========== */
            .content-section {
                padding: 70px 0 90px 0;
                background: radial-gradient(circle at 10% 20%, rgba(0, 43, 73, 0.03) 0%, transparent 40%),
                            radial-gradient(circle at 90% 80%, rgba(212, 175, 55, 0.04) 0%, transparent 40%),
                            var(--bg-light);
            }

            .section-header-tag {
                display: inline-block;
                color: var(--umsa-accent);
                font-size: 12px;
                font-weight: 700;
                letter-spacing: 1.5px;
                text-transform: uppercase;
                margin-bottom: 6px;
            }

            /* ========== LOGIN CARD ========== */
            .login-card {
                background: var(--card-bg);
                border-radius: var(--radius-lg);
                padding: 38px 34px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border-color);
                position: relative;
                transition: transform 0.3s ease, box-shadow 0.3s ease;
            }

            .login-card:hover {
                box-shadow: 0 25px 45px -10px rgba(0, 43, 73, 0.18);
            }

            .login-card-header {
                text-align: center;
                margin-bottom: 28px;
            }

            .login-card-icon {
                width: 64px;
                height: 64px;
                margin: 0 auto 16px auto;
                border-radius: 18px;
                background: linear-gradient(135deg, rgba(0, 43, 73, 0.08) 0%, rgba(2, 132, 199, 0.14) 100%);
                display: flex;
                align-items: center;
                justify-content: center;
                color: var(--umsa-blue);
                box-shadow: 0 4px 12px rgba(0, 43, 73, 0.06);
            }

            .login-card-title {
                font-family: 'Outfit', sans-serif;
                font-size: 24px;
                font-weight: 700;
                color: var(--umsa-blue);
                margin: 0 0 6px 0;
            }

            .login-card-subtitle {
                font-size: 13.5px;
                color: var(--text-muted);
                line-height: 1.45;
                margin: 0;
            }

            /* Form Elements - Flexbox Input Box (Completely prevents overlapping) */
            .form-group-modern {
                margin-bottom: 22px;
                text-align: left;
            }

            .form-label-modern {
                display: flex;
                align-items: center;
                justify-content: space-between;
                font-size: 13.5px;
                font-weight: 600;
                color: var(--text-main);
                margin-bottom: 8px;
            }

            .form-label-modern i {
                color: var(--umsa-blue);
                margin-right: 6px;
            }

            .input-box {
                display: flex !important;
                align-items: center !important;
                width: 100% !important;
                height: 52px !important;
                background-color: #FFFFFF !important;
                border: 1.5px solid #CBD5E1 !important;
                border-radius: var(--radius-md) !important;
                padding: 0 8px 0 14px !important;
                transition: all 0.25s ease !important;
                box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04) !important;
                position: relative !important;
                box-sizing: border-box !important;
            }

            .input-box:hover {
                border-color: #94A3B8 !important;
            }

            .input-box:focus-within {
                border-color: var(--umsa-accent) !important;
                box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.16) !important;
                background-color: #FFFFFF !important;
            }

            .input-icon-box {
                display: flex !important;
                align-items: center !important;
                justify-content: center !important;
                width: 24px !important;
                height: 24px !important;
                margin-right: 12px !important;
                color: #64748B !important;
                flex-shrink: 0 !important;
                pointer-events: none !important;
                transition: color 0.25s ease !important;
            }

            .input-box:focus-within .input-icon-box {
                color: var(--umsa-accent) !important;
            }

            /* Force override of bootswatch paper global rules on input */
            .input-box input.input-field,
            .input-box input[type="password"].input-field,
            .input-box input[type="text"].input-field {
                flex: 1 1 auto !important;
                width: 100% !important;
                height: 100% !important;
                border: none !important;
                outline: none !important;
                background: transparent !important;
                background-color: transparent !important;
                box-shadow: none !important;
                -webkit-box-shadow: none !important;
                padding: 0 10px 0 0 !important;
                margin: 0 !important;
                font-size: 14.5px !important;
                font-weight: 500 !important;
                color: var(--text-main) !important;
                line-height: normal !important;
            }

            .input-box input.input-field:focus,
            .input-box input[type="password"].input-field:focus,
            .input-box input[type="text"].input-field:focus {
                border: none !important;
                outline: none !important;
                box-shadow: none !important;
                -webkit-box-shadow: none !important;
                background: transparent !important;
                background-color: transparent !important;
            }

            .input-box input.input-field::placeholder {
                color: #94A3B8 !important;
                font-weight: 400 !important;
                opacity: 1 !important;
            }

            .btn-toggle-eye {
                display: flex !important;
                align-items: center !important;
                justify-content: center !important;
                width: 38px !important;
                height: 38px !important;
                background: transparent !important;
                border: none !important;
                border-radius: 8px !important;
                color: #64748B !important;
                cursor: pointer !important;
                font-size: 16px !important;
                transition: all 0.2s ease !important;
                flex-shrink: 0 !important;
                padding: 0 !important;
            }

            .btn-toggle-eye:hover {
                color: var(--umsa-blue) !important;
                background-color: rgba(0, 43, 73, 0.08) !important;
            }

            .form-helper {
                font-size: 11.5px;
                color: var(--text-muted);
                margin-top: 6px;
                display: block;
            }

            /* Error Box */
            .alert-modern-danger {
                background: var(--danger-bg);
                border: 1px solid var(--danger-border);
                border-left: 4px solid var(--danger);
                border-radius: var(--radius-sm);
                padding: 12px 16px;
                margin-bottom: 20px;
                display: flex;
                align-items: flex-start;
                gap: 12px;
                animation: shakeAlert 0.4s ease-in-out;
            }

            @keyframes shakeAlert {
                0%, 100% { transform: translateX(0); }
                20%, 60% { transform: translateX(-5px); }
                40%, 80% { transform: translateX(5px); }
            }

            .alert-modern-danger i {
                color: var(--danger);
                font-size: 18px;
                margin-top: 2px;
                flex-shrink: 0;
            }

            .alert-modern-danger .alert-content {
                font-size: 13px;
                line-height: 1.4;
                color: #991B1B;
                font-weight: 500;
            }

            /* Submit Button */
            .btn-submit-modern {
                width: 100%;
                height: 50px;
                background: linear-gradient(135deg, var(--umsa-blue) 0%, var(--umsa-blue-light) 100%);
                color: #FFFFFF;
                border: none;
                border-radius: var(--radius-md);
                font-size: 15.5px;
                font-weight: 700;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 10px;
                cursor: pointer;
                box-shadow: 0 6px 16px rgba(0, 43, 73, 0.25);
                transition: all 0.25s ease;
                margin-top: 24px;
            }

            .btn-submit-modern:hover {
                background: linear-gradient(135deg, var(--umsa-blue-dark) 0%, var(--umsa-blue) 100%);
                box-shadow: 0 8px 22px rgba(0, 43, 73, 0.35);
                transform: translateY(-1.5px);
                color: #FFFFFF;
            }

            .btn-submit-modern:active {
                transform: translateY(0);
            }

            .login-security-tag {
                margin-top: 18px;
                font-size: 11.5px;
                color: var(--text-muted);
                text-align: center;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 6px;
            }

            .login-security-tag i {
                color: #10B981;
            }

            /* ========== INFO / SIDE SHOWCASE ========== */
            .showcase-card {
                background: #FFFFFF;
                border-radius: var(--radius-lg);
                padding: 34px;
                border: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                height: 100%;
                display: flex;
                flex-direction: column;
                justify-content: space-between;
            }

            .showcase-header {
                margin-bottom: 24px;
            }

            .showcase-badge {
                display: inline-block;
                padding: 4px 12px;
                background: rgba(0, 43, 73, 0.08);
                color: var(--umsa-blue);
                font-size: 11px;
                font-weight: 700;
                border-radius: 9999px;
                text-transform: uppercase;
                letter-spacing: 0.8px;
                margin-bottom: 10px;
            }

            .showcase-title {
                font-family: 'Outfit', sans-serif;
                font-size: 24px;
                font-weight: 700;
                color: var(--umsa-blue);
                margin: 0 0 10px 0;
            }

            .showcase-desc {
                font-size: 14px;
                color: var(--text-muted);
                line-height: 1.5;
                margin: 0;
            }

            /* Steps list */
            .step-list {
                list-style: none;
                padding: 0;
                margin: 20px 0;
            }

            .step-item {
                display: flex;
                align-items: flex-start;
                gap: 14px;
                padding: 12px 14px;
                border-radius: 12px;
                background: #F8FAFC;
                margin-bottom: 10px;
                border: 1px solid rgba(226, 232, 240, 0.8);
                transition: transform 0.2s ease, background 0.2s ease;
            }

            .step-item:hover {
                transform: translateX(4px);
                background: #F1F5F9;
            }

            .step-number {
                width: 32px;
                height: 32px;
                border-radius: 10px;
                background: var(--umsa-blue);
                color: var(--umsa-gold);
                display: flex;
                align-items: center;
                justify-content: center;
                font-weight: 700;
                font-size: 14px;
                flex-shrink: 0;
            }

            .step-content h5 {
                margin: 0 0 3px 0;
                font-size: 13.5px;
                font-weight: 700;
                color: var(--umsa-blue);
            }

            .step-content p {
                margin: 0;
                font-size: 12px;
                color: var(--text-muted);
                line-height: 1.4;
            }

            .showcase-image-box {
                margin-top: 15px;
                text-align: center;
                background: linear-gradient(180deg, #F8FAFC 0%, #EDF2F7 100%);
                border-radius: 14px;
                padding: 16px;
                border: 1px solid var(--border-color);
            }

            .showcase-image-box img {
                max-height: 140px;
                object-fit: contain;
                filter: drop-shadow(0 4px 10px rgba(0,0,0,0.08));
                transition: transform 0.3s ease;
            }

            .showcase-image-box img:hover {
                transform: scale(1.03);
            }

            /* ========== FOOTER ========== */
            .footer-umsa {
                background-color: var(--umsa-blue-dark);
                color: #FFFFFF;
                padding: 60px 0 30px 0;
                border-top: 4px solid var(--umsa-gold);
            }

            .footer-widget-title {
                font-family: 'Outfit', sans-serif;
                font-size: 17px;
                font-weight: 700;
                color: var(--umsa-gold);
                margin-bottom: 20px;
                letter-spacing: -0.2px;
                position: relative;
                padding-bottom: 8px;
            }

            .footer-widget-title::after {
                content: '';
                position: absolute;
                bottom: 0;
                left: 0;
                width: 35px;
                height: 2px;
                background-color: var(--umsa-gold);
                border-radius: 2px;
            }

            .footer-nav-list {
                list-style: none;
                padding: 0;
                margin: 0;
            }

            .footer-nav-list li {
                margin-bottom: 10px;
            }

            .footer-nav-list li a {
                color: rgba(255, 255, 255, 0.75);
                font-size: 13.5px;
                text-decoration: none;
                transition: color 0.2s ease, transform 0.2s ease;
                display: inline-flex;
                align-items: center;
                gap: 8px;
            }

            .footer-nav-list li a:hover {
                color: #FFFFFF;
                transform: translateX(4px);
            }

            .footer-contact-item {
                display: flex;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 14px;
                color: rgba(255, 255, 255, 0.8);
                font-size: 13.5px;
                line-height: 1.45;
            }

            .footer-contact-item i {
                color: var(--umsa-gold);
                font-size: 15px;
                margin-top: 3px;
                flex-shrink: 0;
            }

            .social-buttons {
                display: flex;
                gap: 10px;
                margin-top: 15px;
            }

            .social-btn {
                width: 40px;
                height: 40px;
                border-radius: 50%;
                background: rgba(255, 255, 255, 0.1);
                border: 1px solid rgba(255, 255, 255, 0.15);
                display: flex;
                align-items: center;
                justify-content: center;
                color: #FFFFFF !important;
                font-size: 16px;
                transition: all 0.25s ease;
                text-decoration: none !important;
            }

            .social-btn:hover {
                background: var(--umsa-gold);
                color: var(--umsa-blue-dark) !important;
                transform: translateY(-3px);
                box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
            }

            .footer-bottom {
                margin-top: 50px;
                padding-top: 25px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                font-size: 12.5px;
                color: rgba(255, 255, 255, 0.6);
            }

            .footer-bottom a {
                color: var(--umsa-gold);
                text-decoration: none;
                transition: color 0.2s ease;
            }

            .footer-bottom a:hover {
                color: #FFFFFF;
                text-decoration: underline;
            }

            /* ========== MODAL ========== */
            .modal-content-modern {
                border-radius: var(--radius-lg);
                border: none;
                overflow: hidden;
                box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
            }

            .modal-header-modern {
                position: relative;
                background: linear-gradient(135deg, var(--umsa-blue) 0%, var(--umsa-blue-light) 100%);
                color: #FFFFFF;
                padding: 18px 25px;
                border-bottom: none;
                display: flex;
                align-items: center;
                justify-content: center;
                text-align: center;
            }

            .modal-header-modern:before,
            .modal-header-modern:after {
                display: none !important;
            }

            .modal-header-modern .modal-title {
                font-family: 'Outfit', sans-serif;
                font-size: 18px;
                font-weight: 700;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 10px;
                color: #FFFFFF;
                margin: 0 auto;
                text-align: center;
                width: 100%;
                padding: 0 45px;
            }

            .modal-header-modern .modal-title i {
                color: var(--umsa-gold);
                margin-right: 4px;
            }

            .modal-header-modern .close {
                position: absolute;
                top: 14px;
                right: 18px;
                color: #FFFFFF;
                opacity: 0.85;
                font-size: 26px;
                font-weight: 400;
                text-shadow: none;
                transition: opacity 0.2s ease, transform 0.2s ease;
                padding: 0;
                margin: 0;
                background: transparent;
                border: 0;
                line-height: 1;
                z-index: 10;
                cursor: pointer;
            }

            .modal-header-modern .close:hover {
                opacity: 1;
                color: #FFFFFF;
                transform: scale(1.1);
            }

            .modal-info-alert {
                background: #EFF6FF;
                border: 1px solid #BFDBFE;
                border-left: 4px solid var(--umsa-accent);
                border-radius: 8px;
                padding: 12px 16px;
                margin: 15px 20px 10px 20px;
                font-size: 13px;
                color: #1E3A8A;
            }

            .modal-body-frame {
                padding: 10px 20px 20px 20px;
            }

            .modal-footer-modern {
                background: #F8FAFC;
                border-top: 1px solid var(--border-color);
                padding: 14px 20px;
            }

            /* Responsive tweaks */
            @media (max-width: 991px) {
                .hero-title {
                    font-size: 32px;
                }
                .hero-subtitle {
                    font-size: 15px;
                }
                .showcase-card {
                    margin-top: 30px;
                }
            }

            @media (max-width: 767px) {
                .navbar-umsa .brand-system {
                    font-size: 13px;
                }
                .hero-section {
                    padding-top: 105px;
                    padding-bottom: 60px;
                }
                .hero-title {
                    font-size: 27px;
                }
                .login-card {
                    padding: 26px 20px;
                }
            }