:root{--primary-gradient-start: #5a6092;--primary-gradient-end: #404568;--banner-gradient-start: #333753;--banner-gradient-end: #404568;--background-light: #f8f9fa;--background-white: #ffffff;--text-primary: #1e293b;--text-secondary: #374151;--text-muted: #64748b;--border-light: #e2e8f0;--border-focus: #3b82f6;--link-color: #737bbb;--tab-background: #f1f5f9;--sub-tab-background: #f8fafc;--success-background: #dcfce7;--success-text: #166534;--success-border: #bbf7d0;--error-background: #fef2f2;--error-text: #dc2626;--error-border: #fecaca;--container-max-width: 1200px;--form-max-width: 400px;--banner-padding: 1.5rem 0;--content-top-padding: 150px;--font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-brand: "Orbitron", monospace;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 20px rgba(0,0,0,.08);--shadow-lg: 0 2px 10px rgba(0,0,0,.1);--shadow-button: 0 4px 12px rgba(90, 96, 146, .4);--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 16px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family-primary);background:var(--background-light);min-height:100vh;display:flex;flex-direction:column}.banner{background:linear-gradient(135deg,var(--banner-gradient-start) 0%,var(--banner-gradient-end) 100%);color:#fff;padding:var(--banner-padding);box-shadow:var(--shadow-lg);position:relative}.banner-content{max-width:var(--container-max-width);margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.banner-left{text-align:left}.banner h1{font-family:var(--font-family-brand);font-weight:600;font-size:1.8rem;letter-spacing:2px;margin-bottom:.5rem}.banner p{font-size:1rem;opacity:.9;font-weight:300}.btn-primary{width:100%;background:linear-gradient(135deg,var(--primary-gradient-start) 0%,var(--primary-gradient-end) 100%);color:#fff;border:none;padding:12px;border-radius:var(--radius-lg);font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:.5rem}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-button)}.logout-btn{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);padding:10px 20px;border-radius:var(--radius-md);cursor:pointer;font-size:14px;transition:all .2s;font-weight:500}.logout-btn:hover{background:#fff3;border-color:#ffffff4d}.main-tabs,.sub-tabs{display:flex;margin-bottom:2rem;border-radius:var(--radius-lg);padding:4px}.main-tabs{background:var(--tab-background)}.sub-tabs{background:var(--sub-tab-background);margin-bottom:1.5rem;padding:2px;border-radius:var(--radius-md)}.main-tab-btn{flex:1;padding:12px 16px;text-align:center;border-radius:var(--radius-md);cursor:pointer;font-weight:600;transition:all .2s;border:none;background:transparent;color:var(--text-muted);font-size:14px}.main-tab-btn.active{background:var(--background-white);color:var(--text-primary);box-shadow:0 2px 4px #0000001a}.sub-tab-btn{flex:1;padding:8px 12px;text-align:center;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;transition:all .2s;border:none;background:transparent;color:var(--text-muted);font-size:13px}.sub-tab-btn.active{background:var(--background-white);color:var(--text-secondary);box-shadow:var(--shadow-sm)}.container{background:var(--background-white);padding:2rem;border-radius:var(--radius-xl);box-shadow:var(--shadow-md);width:100%;max-width:var(--form-max-width);box-sizing:border-box}.form-group{margin-bottom:1rem}.form-group label{display:block;color:var(--text-secondary);font-weight:500;font-size:14px;margin-bottom:6px}.form-group input{width:100%;padding:12px 16px;border:2px solid var(--border-light);border-radius:var(--radius-lg);font-size:16px;transition:border-color .2s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:var(--border-focus)}.header{text-align:center;margin-bottom:2rem}.header h2{color:var(--text-primary);font-weight:600;font-size:1.5rem;margin-bottom:.5rem}.header p{color:var(--text-muted);font-size:14px}.signup-header{text-align:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-light)}.signup-header h3{color:var(--text-primary);font-weight:600;font-size:1.2rem;margin-bottom:.25rem}.signup-header p{color:var(--text-muted);font-size:13px}.message{margin-top:1rem;padding:12px;border-radius:var(--radius-lg);text-align:center;display:none}.message.success{background:var(--success-background);color:var(--success-text);border:1px solid var(--success-border);display:block}.message.error{background:var(--error-background);color:var(--error-text);border:1px solid var(--error-border);display:block}.resend-btn{display:inline-block;margin-left:.5rem;padding:4px 12px;background:var(--error-text);color:#fff;border:none;border-radius:var(--radius-sm);font-size:12px;font-weight:500;cursor:pointer;transition:all .2s ease;text-decoration:none}.resend-btn:hover{background:#b91c1c;transform:translateY(-1px)}.resend-btn:disabled{background:#9ca3af;cursor:not-allowed;transform:none}.form-footer{text-align:center;margin-top:1rem}.forgot-link{color:var(--link-color);text-decoration:none;font-size:14px}.forgot-link:hover{text-decoration:underline}.back-to-dashboard{color:var(--link-color);text-decoration:none;font-size:14px;font-weight:500}.back-to-dashboard:hover{text-decoration:underline;color:var(--primary-gradient-start)}.dashboard-link{color:var(--success-text)!important;text-decoration:underline;font-weight:600}.dashboard-link:hover{color:var(--primary-gradient-start)!important}.info-text{color:var(--text-muted);font-size:12px;text-align:center;margin:0}.main-section{display:none}.main-section.active{display:block}.sub-section{display:none}.sub-section.active{display:block}.main-content{padding:var(--content-top-padding) 2rem 2rem 2rem;display:flex;justify-content:center;align-items:flex-start;flex:1}.profile-header{text-align:center;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-light)}.profile-header h2{color:var(--text-primary);font-weight:600;font-size:1.5rem;margin-bottom:.5rem}.profile-field{margin-bottom:1.5rem}.profile-field:last-child{margin-bottom:0}.field-label{display:block;color:var(--text-secondary);font-weight:500;font-size:14px;margin-bottom:6px}.field-value{display:block;width:100%;padding:12px 16px;border:1px solid #d1d5db;border-radius:var(--radius-lg);font-size:16px;background:#f9fafb;color:var(--text-secondary);font-weight:500}.footer{background:linear-gradient(135deg,var(--banner-gradient-start) 0%,var(--banner-gradient-end) 100%);color:#fff;padding:1rem 0;margin-top:auto;position:relative}.footer-content{max-width:var(--container-max-width);margin:0 auto;padding:0 2rem;text-align:center}.footer p{font-size:.875rem;opacity:.9;font-weight:300;margin:0}@media (max-width: 768px){.banner-content{flex-direction:column;gap:1rem;text-align:center}.banner-left{text-align:center}.main-content{padding:1rem}.container{padding:1.5rem}}