:root {
    --panel: rgba(4, 28, 22, 0.92);
    --panel-soft: rgba(10, 43, 35, 0.9);
    --outline: rgba(255, 255, 255, 0.2);
    --accent: #1dd6af;
    --accent-strong: #4bc2ff;
    --accent-vanilla: #ffe085;
    --text-soft: rgba(225, 238, 245, 0.92);
    --shadow: rgba(0, 0, 0, 0.55);
    font-family: 'Figtree', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: #010f0c;
    color: #fff;
}

.admin-login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.admin-login-shell::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 19, 12, 0.6), rgba(0, 9, 5, 0.85)), url('../img/fondo.jpeg') center/cover;
    filter: saturate(1.2) contrast(1.05);
    z-index: 0;
}

.admin-login-shell::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(29, 214, 175, 0.25), transparent 45%);
    mix-blend-mode: screen;
    opacity: 0.7;
    z-index: 0;
}

.admin-login-card {
    position: relative;
    z-index: 1;
    width: min(560px, 96vw);
    border-radius: 36px;
    background: var(--panel);
    border: 1px solid var(--outline);
    padding: clamp(2.5rem, 3vw, 3rem);
    box-shadow: 0 30px 70px var(--shadow);
    backdrop-filter: blur(36px);
    padding-top: 5.5rem;
}

.admin-login-logo-badge {
    position: absolute;
    top: -138px;
    left: 50%;
    transform: translateX(-50%);
    width: min(210px, 45vw);
    padding: 0;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-login-logo-badge img {
    width: 100%;
    height: auto;
    border-radius: 0;
    object-fit: contain;
    filter: drop-shadow(0 18px 35px rgba(0, 0, 0, 0.65));
}

.admin-login-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-top: 1.5rem;
}

.admin-login-header h1 {
    margin: 0;
    font-size: clamp(2rem, 3.2vw, 2.6rem);
    color: #fff;
}

.admin-login-header p {
    margin: 0;
    color: rgba(223, 237, 243, 0.85);
    text-align: center;
    max-width: 18rem;
    line-height: 1.5;
    font-size: 0.95rem;
}

.admin-login-description {
    margin: 0;
    color: rgba(223, 237, 243, 0.85);
    text-align: center;
    max-width: 18rem;
    line-height: 1.5;
    font-size: 0.95rem;
}

.admin-login-feedback {
    margin-bottom: 1rem;
    border-radius: 16px;
    padding: 0.85rem 1rem;
    background: rgba(255, 116, 116, 0.15);
    border: 1px solid rgba(255, 116, 116, 0.4);
    color: #ffadad;
    font-size: 0.95rem;
}

.admin-login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0.5rem;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.field-group label {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(210, 230, 240, 0.8);
}

.password-field {
    position: relative;
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    width: 100%;
    padding-right: 3.75rem;
}

.password-wrapper button {
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
}

.password-wrapper button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-50%) scale(1.05);
}

.password-wrapper svg {
    display: block;
    width: 20px;
    height: 18px;
}

.password-wrapper .eye-line {
    transition: stroke 0.2s;
}

.password-wrapper button.active .eye-line {
    stroke: rgba(255, 255, 255, 0.35);
}

.field-group input {
    border-radius: 12px;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(5, 26, 24, 0.85);
    color: #f8fbff;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(29, 214, 175, 0.45);
}

.input-has-error {
    border-color: #ff9b9b;
    box-shadow: 0 0 12px rgba(255, 155, 155, 0.5);
}

.field-error {
    margin: 0;
    min-height: 1.1rem;
    font-size: 0.85rem;
    color: #ff9b9b;
    display: block;
}

.admin-login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    color: rgba(210, 230, 240, 0.85);
    font-size: 0.85rem;
}

.admin-login-options label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.admin-login-options input[type='checkbox'] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-strong);
}

.admin-login-options a {
    color: #93f5ff;
    text-decoration: none;
    font-weight: 600;
}

.button-text {
    letter-spacing: 0.35em;
    font-size: 0.95rem;
}

.admin-login-button {
    border: none;
    border-radius: 999px;
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #0b1311;
    background: linear-gradient(135deg, #38f2d5 0%, #26ade2 45%, #0f6f6c 100%);
    box-shadow: 0 18px 55px rgba(13, 101, 97, 0.55);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.admin-login-button:disabled {
    opacity: 0.7;
    cursor: progress;
    box-shadow: none;
}

.admin-login-loader {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #031312;
}

.admin-login-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(3, 19, 18, 0.3);
    border-top-color: rgba(3, 19, 18, 0.8);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

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

@media (max-width: 600px) {
    .admin-login-card {
        padding: 2rem;
    }

    .admin-login-options {
        flex-direction: column;
        align-items: flex-start;
    }
}