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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #092c27 0%, #708D81 100%);
            min-height: 100vh;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            max-width: 600px;
            width: 100%;
            overflow: hidden;
        }

        .header {
            background: #092c27;
            color: white;
            padding: 30px;
            text-align: center;
        }

        .header h1 {
            font-size: 24px;
            margin-bottom: 10px;
        }

        .progress-container {
            background: #708D81;
            padding: 20px 30px;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .progress-text {
            color: white;
            font-size: 16px;
            font-weight: 600;
            min-width: 50px;
            text-align: center;
        }

        .progress-bar-wrapper {
            background: rgba(255, 255, 255, 0.3);
            height: 8px;
            border-radius: 10px;
            overflow: hidden;
            flex: 1;
        }

        .progress-bar-fill {
            height: 100%;
            background: white;
            border-radius: 10px;
            transition: width 0.4s ease;
            width: 33.33%;
        }

        .form-container {
            padding: 40px 30px;
        }

        .form-page {
            display: none;
        }

        .form-page.active {
            display: block;
            animation: fadeIn 0.3s ease-in;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .form-group {
            margin-bottom: 25px;
        }

        label {
            display: block;
            color: #092c27;
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .required {
            color: #e74c3c;
        }

        input[type="text"],
        input[type="email"],
        input[type="number"],
        select,
        textarea {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 15px;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        input.error {
            border-color: #e74c3c !important;
            background-color: #fef5f5 !important;
        }

        .error-message {
            color: #e74c3c;
            font-size: 12px;
            margin-top: 5px;
            display: none;
        }

        .error-message.show {
            display: block;
        }

        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: #708D81;
            box-shadow: 0 0 0 3px rgba(112, 141, 129, 0.1);
        }

        input.filled,
        select.filled,
        textarea.filled {
            background-color: #f0f7f5;
            border-color: #708D81;
        }

        .radio-group {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .radio-option {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        input[type="radio"] {
            width: 20px;
            height: 20px;
            accent-color: #092c27;
        }

        .file-input-wrapper {
            position: relative;
            overflow: hidden;
            display: inline-block;
            width: 100%;
        }

        .file-input-wrapper input[type="file"] {
            position: absolute;
            left: -9999px;
        }

        .file-input-label {
            display: block;
            padding: 12px 15px;
            background: #f8f9fa;
            border: 2px dashed #708D81;
            border-radius: 10px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            color: #092c27;
        }

        .file-input-label:hover {
            background: #708D81;
            color: white;
        }

        .file-name {
            margin-top: 8px;
            font-size: 13px;
            color: #708D81;
            font-weight: 600;
        }

        .button-group {
            display: flex;
            gap: 15px;
            margin-top: 30px;
        }

        button {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        .btn-next,
        .btn-submit {
            background: #092c27;
            color: white;
        }

        .btn-next:hover,
        .btn-submit:hover {
            background: #0a3d35;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(9, 44, 39, 0.3);
        }

        .btn-back {
            background: #708D81;
            color: white;
        }

        .btn-back:hover {
            background: #5a7268;
            transform: translateY(-2px);
        }

        button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none !important;
        }

        .success-message {
            display: none;
            text-align: center;
            padding: 40px;
        }

        .success-message.active {
            display: block;
        }

        .success-icon {
            font-size: 60px;
            color: #092c27;
            margin-bottom: 20px;
        }

        .training-select {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .training-option {
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .training-option:hover {
            border-color: #708D81;
            background: #f8f9fa;
        }

        .training-option input[type="radio"] {
            margin: 0;
        }

        .training-option.selected {
            background: #f0f7f5;
            border-color: #092c27;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            body {
                padding: 10px;
            }

            .header h1 {
                font-size: 20px;
            }

            .form-container {
                padding: 30px 20px;
            }

            .progress-bar {
                padding: 10px 15px;
            }

            .progress-container {
                padding: 15px 20px;
                gap: 15px;
            }

            .progress-text {
                font-size: 14px;
                min-width: 45px;
            }
        }
        input.error, select.error, textarea.error {
    border: 2px solid #e74c3c !important;
    background-color: #fff5f5;
}

.error-message {
    color: #e74c3c;
    font-size: 13px;
    margin-top: 5px;
    display: none;
}

.error-message.show {
    display: block;
}
.loading-overlay {
  display: none; /* مخفي افتراضياً */
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.92);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  font-family: "Cairo", sans-serif;
  font-size: 18px;
  color: #0b8b6f;
}

.loading-overlay.active {
  display: flex; /* يظهر عند الإرسال فقط */
}

.spinner {
  width: 60px;
  height: 60px;
  border: 6px solid #e0e0e0;
  border-top: 6px solid #0b8b6f;
  border-radius: 50%;
  margin-bottom: 15px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}