* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #ffffff;
            color: #333;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .header {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 25px 20px 15px;
            background-color: #ffffff;
            gap: 8px;
        }

        .header-subtitle {
            text-align: center;
            font-size: 13px;
            color: #999;
            line-height: 1.5;
        }

        .header-subtitle p {
            margin: 0;
            padding: 0;
        }

        .logo-container {
            width: 100%;
            max-width: 100%;
            text-align: center;
        }

        .logo-container a {
            display: inline-block;
            text-decoration: none;
        }

        .logo-container img {
            width: 100%;
            height: auto;
            max-width: 400px;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .logo-container img:hover {
            transform: scale(1.02);
        }

        .header-buttons {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .header-button {
            background-color: #f0f0f0;
            border: 1px solid #ddd;
            padding: 8px 16px;
            border-radius: 4px;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.3s;
            color: #666;
            text-decoration: none;
            display: inline-block;
        }

        .header-button:hover {
            background-color: #e0e0e0;
            color: #1a1a1a;
        }

        .container {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 20px;
            max-width: 600px;
            margin: 0 auto;
            width: 100%;
        }

        .content {
            text-align: center;
            margin-bottom: 40px;
        }

        .content h1 {
            font-size: 28px;
            margin-bottom: 15px;
            color: #1a1a1a;
            font-weight: 300;
            letter-spacing: 1px;
        }

        .content p {
            font-size: 16px;
            color: #666;
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .content a {
            color: #1a1a1a;
            font-weight: 600;
            text-decoration: underline;
        }

        .content a:hover {
            color: #666;
        }

        .form-container {
            width: 100%;
            max-width: 400px;
        }

        .form-group {
            margin-bottom: 20px;
            text-align: left;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #333;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            font-family: inherit;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: #333;
            box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
        }

        .btn {
            width: 100%;
            padding: 12px;
            background-color: #1a1a1a;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
            margin-top: 10px;
        }

        .btn:hover {
            background-color: #333;
        }

        .error-message {
            background-color: #fee;
            border: 1px solid #fcc;
            color: #c33;
            padding: 12px;
            border-radius: 4px;
            margin-bottom: 15px;
            font-size: 14px;
            display: none;
        }

        .success-message {
            background-color: #efe;
            border: 1px solid #cfc;
            color: #3c3;
            padding: 12px;
            border-radius: 4px;
            margin-bottom: 15px;
            font-size: 14px;
            display: none;
        }

        .footer {
            border-top: 1px solid #e0e0e0;
            padding: 30px 20px;
            text-align: center;
            color: #999;
            font-size: 12px;
            margin-top: auto;
        }

        .footer p {
            margin-bottom: 8px;
        }

        .footer a {
            color: #666;
            text-decoration: none;
        }

        .footer a:hover {
            text-decoration: underline;
        }

        @media (max-width: 600px) {
            .container {
                padding: 15px;
            }

            .content h1 {
                font-size: 24px;
            }

            .header {
                padding: 30px 20px;
            }
        }
    
.aviso{padding:14px;background:#fff1e8;color:#743d20;margin-bottom:18px;border-radius:10px}.navegacion{display:flex;justify-content:center;gap:20px;margin:16px}.tabla{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:12px;text-align:left;border-bottom:1px solid #ddd}main.admin{width:calc(100% - 32px);max-width:1100px;margin:24px auto}.admin .form-container{max-width:440px;margin:auto}input,select{max-width:100%}