:root {
    --primary-color: #D32F2F;
    --primary-color-dark: #B71C1C;
    --primary-color-rgb: 211, 47, 47;
    --secondary-color-rgb: 255, 145, 0;
    --success-color: #2E7D32;
    --text-primary-light: #1a1a1a;
    --text-secondary-light: #5a5a5a;
    --background-light: #f4f4f7;
    --surface-light: #ffffff;
    --border-light: #dcdcdc;
    --font-header: 'Manrope', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --transition-speed: 0.3s ease;
}

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

@keyframes fadeInScaleUp {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

body.auth-page {
    font-family: var(--font-body);
    background-color: var(--background-light);
    color: var(--text-primary-light);
    position: relative;
    width: 100%;
}


body.auth-page::before, 
body.auth-page::after {
    content: '';
    position: fixed;
    z-index: 0;
    width: 50vw;
    height: 50vw;
    max-width: 600px;
    max-height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.8;
}

body.auth-page::before {
    top: -10%;
    left: -20%;
    background: radial-gradient(circle, rgba(var(--primary-color-rgb), 0.15), transparent 70%);
}

body.auth-page::after {
    bottom: -15%;
    right: -20%;
    background: radial-gradient(circle, rgba(var(--secondary-color-rgb), 0.1), transparent 70%);
}


.auth-container {
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 20px;
    padding-bottom: 85px;
    position: relative;
    z-index: 1;
}


.auth-form-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--surface-light);
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    animation: fadeInScaleUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    padding: 30px;
    text-align: center;
}

.auth-logo {
    width: 60px;
    height: auto;
    margin-bottom: 15px;
}

.auth-form-card h2 {
    font-family: var(--font-header);
    font-weight: 800;
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.auth-form-card .auth-subtitle {
    color: var(--text-secondary-light);
    margin-bottom: 30px;
    line-height: 1.5;
}


.form-grupo {
    position: relative;
    margin-bottom: 25px;
    text-align: left;
}

.form-grupo .input-wrapper {
    position: relative;
}

.form-grupo input {
    width: 100%;
    height: 58px;
    padding: 0 16px;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    font-size: 1rem;
    font-family: var(--font-body);
    background-color: transparent;
    color: var(--text-primary-light);
    transition: all 0.2s ease;
}

.form-grupo label {
    position: absolute;
    left: 17px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    color: var(--text-secondary-light);
    pointer-events: none;
    transition: all 0.2s ease;
    background-color: var(--surface-light);
    padding: 0 4px;
}

.form-grupo input:focus + label,
.form-grupo input:not(:placeholder-shown) + label {
    top: -10px;
    left: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    transform: translateY(0);
}

.form-grupo input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.password-toggle-icon {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    color: var(--text-secondary-light);
    cursor: pointer;
    transition: color var(--transition-speed);
}
.password-toggle-icon:hover {
    color: var(--primary-color);
}


.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 0.9rem;
}
.form-options .checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary-light);
    cursor: pointer;
}
.form-options a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.btn-auth {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color-dark), var(--primary-color));
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(var(--primary-color-rgb), 0.3);
}
.btn-auth:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(var(--primary-color-rgb), 0.4);
}

.error-message {
    color: var(--primary-color);
    min-height: 20px;
    margin-bottom: 15px;
    font-weight: 500;
}

.auth-switch-link {
    margin-top: 30px;
    color: var(--text-secondary-light);
}
.auth-switch-link a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}




.terms-container {
    font-size: 0.85rem;
    color: var(--text-secondary-light);
    margin: 25px 0;
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}
.terms-container input {
    margin-top: 4px;
    flex-shrink: 0;
}
.terms-container .modal-trigger {
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.modal-content {
    background-color: #fff;
    color: var(--text-primary-light);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}
.modal-overlay.active .modal-content {
    transform: scale(1);
}
.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    font-size: 1.2rem;
    font-family: var(--font-header);
    font-weight: 700;
}
.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-secondary-light);
}
.modal-body {
    padding: 20px 25px;
    overflow-y: auto;
    line-height: 1.7;
}