:root {
    --primary-color: #5d5dff; /* Morado Vibrante */
    --secondary-color: #ff6b6b; /* Rojo Coral */
    --text-color: #333;
    --placeholder-color: #888;
    --bg-color: #f0f4f8;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 2rem;
    box-sizing: border-box;
}

.header {
    text-align: center;
    margin-bottom: 2rem;
}

.header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.header .icon-header {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.subtitle {
    color: var(--placeholder-color);
    font-size: 1rem;
    margin-top: 0.5rem;
}

.card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    margin-bottom: 2rem;
    transition: transform 0.3s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-group {
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
    background-color: #f7f7f7;
    border-radius: 12px;
    transition: background-color 0.3s;
}

.input-group:focus-within {
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(93, 93, 255, 0.2);
}

.input-group .icon {
    font-size: 1rem;
    color: var(--placeholder-color);
    padding: 0 1rem;
    transition: color 0.3s;
}

.input-group:focus-within .icon {
    color: var(--primary-color);
}

input,
textarea,
select {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-sizing: border-box;
    font-size: 1rem;
    color: var(--text-color);
    background-color: transparent;
    transition: border-color 0.3s;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-color);
    outline: none;
}

input::placeholder, textarea::placeholder {
    color: var(--placeholder-color);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

select {
    cursor: pointer;
}

/* Auth Section Specific */
#auth-section button {
    background-color: var(--primary-color);
    color: #fff;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#auth-section button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

#clave_anunciante {
    border: none;
}

.status-message {
    text-align: center;
    font-weight: 600;
    padding-top: 10px;
}

.status-message[style*="green"] {
    color: #28a745 !important;
}

.status-message[style*="red"] {
    color: #dc3545 !important;
}

.price-input input {
    padding-left: 2.5rem;
}

.price-input span {
    position: absolute;
    left: 1rem;
    color: var(--placeholder-color);
    font-weight: bold;
}

/* Custom File Input Styling */
.file-upload-group .custom-file-input {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--primary-color);
    color: #fff;
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.file-upload-group .custom-file-input:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.file-upload-group .custom-file-input .icon {
    color: #fff;
}

.file-upload-group .hidden-file-input {
    display: none;
}

.preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.image-preview {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease;
}

.image-preview:hover {
    transform: scale(1.05);
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-image {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--secondary-color);
    color: #fff;
    border: 2px solid var(--card-bg);
    border-radius: 50%;
    width: 25px;
    height: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.remove-image:hover {
    transform: scale(1.2);
}

/* Submit Button */
.submit-btn {
    width: 100%;
    background-image: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border: none;
    border-radius: 15px;
    padding: 1.2rem;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.submit-btn .fas {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
}