:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --bg-color: #0f172a;
    --surface-color: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

.background {
    position: absolute;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    filter: blur(80px);
    opacity: 0.5;
    border-radius: 50%;
}

.shape:nth-child(1) {
    background: linear-gradient(to right, #4F46E5, #ec4899);
    width: 400px;
    height: 400px;
    top: -100px;
    left: -100px;
    animation: float1 10s infinite alternate ease-in-out;
}

.shape:nth-child(2) {
    background: linear-gradient(to right, #06b6d4, #3b82f6);
    width: 300px;
    height: 300px;
    bottom: -50px;
    right: -50px;
    animation: float2 8s infinite alternate ease-in-out;
}

@keyframes float1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

@keyframes float2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, -40px) scale(1.2); }
}

.container {
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    z-index: 1;
}

h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: white;
    font-family: inherit;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

input[type="password"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
}

small {
    display: block;
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 12px;
}

.file-upload-wrapper {
    position: relative;
    width: 100%;
    height: 120px;
    border: 2px dashed var(--border);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-upload-wrapper:hover {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-wrapper::after {
    content: 'Arrastra tu archivo o haz clic para seleccionar';
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

button {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.4);
}

button:active {
    transform: translateY(0);
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-top: 20px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(to right, #4F46E5, #06b6d4);
    transition: width 0.3s ease;
}

#statusMessage {
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
}

.success { color: #10b981; }
.error { color: #ef4444; }
.info { color: #3b82f6; }

.admin-link {
    margin-top: 20px;
    text-align: center;
}

.admin-link a {
    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.3s;
}

.admin-link a:hover {
    color: white;
}

.file-list {
    margin-top: 20px;
    list-style: none;
}

.file-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-info {
    display: flex;
    flex-direction: column;
}

.file-name {
    font-weight: 500;
    font-size: 14px;
}

.file-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.download-btn {
    width: auto;
    padding: 8px 16px;
    font-size: 13px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.half-width {
    flex: 1;
}

.third-width {
    flex: 1;
}

.radio-group {
    display: flex;
    gap: 20px;
    padding: 10px 0;
}

.radio-group label, .checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    cursor: pointer;
}

.checkbox-group {
    font-size: 14px;
}

/* Base styles for inputs like date, tel, email, text */
input[type="text"], input[type="email"], input[type="tel"], input[type="date"] {
    width: 100%;
    padding: 10px 14px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: white;
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
}

input[type="text"]:focus, input[type="email"]:focus, input[type="tel"]:focus, input[type="date"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
}

@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}