/* ========================================
   REGISTRO - ESTILOS
   ======================================== */

:root {
    --color-primary: #1ee7ff;
    --color-primary-dark: #0dc9e3;
    --color-secondary: #000000;
    --color-success: #1ee7ff;
    --color-danger: #ff3860;
    --color-warning: #ffb700;
    --color-light: #f5f5f5;
    --color-dark: #000000;
    --color-border: #e0e0e0;
    --color-turquoise: #1ee7ff;
    --color-black: #000000;
    --color-white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.3);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* ========================================
   CONTENEDOR PRINCIPAL
   ======================================== */

.registro-container {
    width: 100%;
    max-width: 600px;
}

.registro-card {
    background: rgba(0, 0, 0, 0.95);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    border: 1px solid rgba(30, 231, 255, 0.2);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.registro-header h1 {
    font-size: 28px;
    color: var(--color-white);
    margin-bottom: 10px;
    font-weight: 700;
}

.registro-header .subtitle {
    color: #999;
    font-size: 14px;
    line-height: 1.6;
}

/* ========================================
   PASOS DE PROGRESO
   ======================================== */

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-border);
    z-index: 1;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-weight: 700;
    margin-bottom: 8px;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.step.active .step-number {
    background: var(--color-turquoise);
    color: var(--color-black);
    border-color: var(--color-turquoise);
}

.step.completed .step-number {
    background: var(--color-turquoise);
    color: var(--color-black);
    border-color: var(--color-turquoise);
}

.step-label {
    display: block;
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.step.active .step-label {
    color: var(--color-turquoise);
}

/* ========================================
   FORMULARIO
   ======================================== */

form {
    position: relative;
}

.form-step {
    display: none;
    animation: fadeIn 0.3s ease;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.form-step h3 {
    font-size: 20px;
    color: var(--color-white);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-turquoise);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Roboto', sans-serif;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
}

.form-group input::placeholder,
.form-group select::placeholder,
.form-group textarea::placeholder {
    color: #666;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-turquoise);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input.error,
.form-group select.error {
    border-color: var(--color-danger);
}

.form-group input.success,
.form-group select.success {
    border-color: var(--color-turquoise);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.hint {
    display: block;
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}

.error-message {
    display: block;
    color: var(--color-danger);
    font-size: 12px;
    margin-top: 4px;
    min-height: 16px;
}

.error-message.show {
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ========================================
   PASSWORD STRENGTH
   ======================================== */

.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    flex: 1;
    padding-right: 40px;
}

.btn-toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.5);
    font-size: 18px;
    padding: 5px;
    transition: var(--transition);
    z-index: 2;
}

.btn-toggle-password:hover {
    color: var(--color-white);
}

.password-strength {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}

.strength-meter {
    height: 100%;
    width: 0%;
    background: var(--color-danger);
    transition: var(--transition);
    border-radius: 2px;
}

.strength-meter.weak {
    width: 33%;
    background: var(--color-danger);
}

.strength-meter.medium {
    width: 66%;
    background: var(--color-warning);
}

.strength-meter.strong {
    width: 100%;
    background: var(--color-turquoise);
}

#strengthText {
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}

.password-requirements {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.password-requirements p {
    font-weight: 600;
    font-size: 13px;
    color: #aaa;
    margin-bottom: 10px;
}

.password-requirements ul {
    list-style: none;
}

.requirement {
    display: flex;
    align-items: center;
    font-size: 12px;
    color: #666;
    padding: 5px 0;
    transition: var(--transition);
}

.requirement.met {
    color: var(--color-turquoise);
}

.requirement .check {
    margin-right: 8px;
    opacity: 0;
    transition: var(--transition);
}

.requirement.met .check {
    opacity: 1;
}

/* ========================================
   FILE UPLOAD
   ======================================== */

.file-upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.05);
}

.file-upload-area:hover {
    border-color: var(--color-turquoise);
    background: rgba(30, 231, 255, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--color-turquoise);
    background: rgba(30, 231, 255, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    width: 40px;
    height: 40px;
    color: var(--color-turquoise);
    margin-bottom: 10px;
}

.upload-text {
    font-weight: 600;
    color: var(--color-white);
    font-size: 14px;
    margin-bottom: 5px;
}

.upload-hint {
    color: #999;
    font-size: 12px;
}

.file-preview {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
    border-left: 4px solid var(--color-turquoise);
}

.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.file-name {
    color: var(--color-white);
    font-weight: 600;
    font-size: 13px;
    word-break: break-all;
}

.btn-remove-file {
    background: none;
    border: none;
    color: var(--color-danger);
    cursor: pointer;
    font-size: 18px;
    padding: 0;
    margin-left: 10px;
    transition: var(--transition);
}

.btn-remove-file:hover {
    color: var(--color-dark);
}

.file-size {
    color: #999;
    font-size: 12px;
}

/* ========================================
   CHECKBOX
   ======================================== */

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-group.checkbox input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
}

.form-group.checkbox label {
    margin: 0;
    font-weight: normal;
    font-size: 13px;
    line-height: 1.5;
    cursor: pointer;
}

.form-group.checkbox a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.form-group.checkbox a:hover {
    text-decoration: underline;
}

/* ========================================
   BOTONES
   ======================================== */

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-turquoise);
    color: var(--color-black);
    font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-color: var(--color-turquoise);
}

.btn-success {
    background: var(--color-turquoise);
    color: var(--color-black);
    font-weight: 600;
}

.btn-success:hover:not(:disabled) {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 30px;
}

.form-navigation .btn {
    flex: 1;
}

/* ========================================
   CONFIRMACIÓN
   ======================================== */

.registro-confirmation {
    text-align: center;
}

.confirmation-card {
    background: rgba(0, 0, 0, 0.95);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(30, 231, 255, 0.2);
}

.confirmation-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: rgba(0, 208, 132, 0.1);
}

.confirmation-icon.success {
    background: rgba(30, 231, 255, 0.1);
}

.confirmation-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-turquoise);
    stroke-width: 3;
}

.confirmation-card h2 {
    font-size: 24px;
    color: var(--color-white);
    margin-bottom: 10px;
}

.confirmation-card > p {
    color: #888;
    margin-bottom: 30px;
    font-size: 14px;
}

.confirmation-details {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: #666;
    font-size: 13px;
}

.detail-value {
    color: var(--color-white);
    font-weight: 600;
}

.status-pending {
    color: var(--color-warning);
}

.confirmation-steps {
    text-align: left;
    background: rgba(30, 231, 255, 0.05);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid var(--color-turquoise);
}

.confirmation-steps h3 {
    font-size: 14px;
    color: var(--color-white);
    margin-bottom: 10px;
    text-transform: uppercase;
    font-weight: 700;
}

.confirmation-steps ol {
    margin-left: 20px;
}

.confirmation-steps li {
    color: #666;
    font-size: 13px;
    margin-bottom: 8px;
    line-height: 1.5;
}

.confirmation-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    color: #888;
    font-size: 13px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.toast {
    background: rgba(0, 0, 0, 0.95);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    padding: 16px 20px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(400px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.error {
    border-left: 4px solid var(--color-danger);
}

.toast.warning {
    border-left: 4px solid var(--color-warning);
}

.toast-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    color: var(--color-turquoise);
}

.toast.error .toast-icon {
    color: var(--color-danger);
}

.toast.warning .toast-icon {
    color: var(--color-warning);
}

.toast-message {
    font-size: 14px;
    color: var(--color-white);
    flex: 1;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .registro-card {
        padding: 30px 20px;
    }

    .progress-steps {
        margin-bottom: 30px;
    }

    .progress-steps::before {
        top: 18px;
    }

    .step {
        margin-bottom: 0;
    }
    
    .step-number {
        width: 36px;
        height: 36px;
        font-size: 15px;
    }
    
    .step-label {
        font-size: 10px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-navigation {
        flex-direction: column;
        margin-top: 20px;
    }

    .form-navigation .btn {
        width: 100%;
    }

    .file-upload-area {
        padding: 20px;
    }

    .registration-header h1 {
        font-size: 24px;
    }

    .toast {
        max-width: calc(100vw - 40px);
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .registro-card {
        padding: 20px;
    }

    .registro-header h1 {
        font-size: 22px;
    }

    .form-step h3 {
        font-size: 18px;
    }

    .btn {
        padding: 10px 16px;
        font-size: 12px;
    }

    .step-label {
        font-size: 9px;
        line-height: 1.2;
        margin-top: 4px;
    }

    .step-number {
        width: 32px;
        height: 32px;
        font-size: 14px;
        margin-bottom: 4px;
    }
}