/**
 * Login - Wasterux
 * Estilo moderno tipo SaaS / dashboard empresarial
 * Sin dependencias extra; compatible con Bootstrap del proyecto.
 */

:root {
    /* --wasterux-primary y --wasterux-primary-dark vienen del <style> en login.blade.php */
    --login-bg-overlay: rgba(15, 23, 42, 0.75);
    --login-card-bg: #ffffff;
    --login-card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --login-input-border: #e2e8f0;
    --login-input-focus: var(--wasterux-primary);
    --login-text: #1e293b;
    --login-text-muted: #64748b;
    --login-error: #dc2626;
    --login-error-bg: #fef2f2;
    --login-radius: 12px;
    --login-radius-input: 10px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    color: var(--login-text);
    overflow-x: hidden;
}

/* Fondo e overlay */
.login-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background: var(--login-bg-overlay);
}

.login-wrapper {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 0;
}

/* Card */
.login-card {
    background: var(--login-card-bg);
    border-radius: var(--login-radius);
    box-shadow: var(--login-card-shadow);
    padding: 2.5rem 2rem;
    animation: loginCardIn 0.5s ease-out;
}

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

.login-card__logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-card__logo img {
    max-width: 180px;
    width: 50%;
    height: auto;
    display: inline-block;
}

.login-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--login-text);
    text-align: center;
    margin: 0 0 1.75rem;
    letter-spacing: -0.02em;
}

/* Formulario */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--login-radius-input);
    font-size: 0.875rem;
    font-weight: 500;
}

.login-alert--error {
    background: var(--login-error-bg);
    color: var(--login-error);
}

/* Campos */
.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.login-field__label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--login-text);
}

.login-input-wrap {
    display: flex;
    align-items: center;
    background: #f8fafc;
    border: 1px solid var(--login-input-border);
    border-radius: var(--login-radius-input);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.login-input-wrap:focus-within {
    border-color: var(--login-input-focus);
    box-shadow: 0 0 0 3px rgba(30, 73, 118, 0.15);
}

.login-input-wrap--error {
    border-color: var(--login-error);
    background: var(--login-error-bg);
}

.login-input-wrap--error:focus-within {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.login-input-wrap__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    flex-shrink: 0;
    color: var(--login-text-muted);
}

.login-input-wrap:focus-within .login-input-wrap__icon {
    color: var(--login-input-focus);
}

.login-field__input {
    flex: 1;
    min-width: 0;
    height: 48px;
    padding: 0 1rem 0 0;
    font-family: inherit;
    font-size: 1rem;
    color: var(--login-text);
    background: transparent;
    border: none;
    outline: none;
}

.login-field__input::placeholder {
    color: var(--login-text-muted);
}

.login-field__error {
    font-size: 0.8125rem;
    color: var(--login-error);
}

/* Botón */
.login-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 52px;
    margin-top: 0.5rem;
    padding: 0 1.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: var(--wasterux-primary);
    border: none;
    border-radius: var(--login-radius-input);
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
}

.login-btn:hover:not(:disabled) {
    background: var(--wasterux-primary-dark);
    box-shadow: 0 4px 14px rgba(30, 73, 118, 0.4);
}

.login-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 73, 118, 0.35);
}

.login-btn:disabled {
    cursor: not-allowed;
    opacity: 0.9;
}

.login-btn__text {
    transition: opacity 0.2s;
}

.login-btn__loader {
    position: absolute;
    display: none;
    align-items: center;
    justify-content: center;
}

.login-btn--loading .login-btn__text {
    opacity: 0;
}

.login-btn--loading .login-btn__loader {
    display: flex;
}

.login-btn__spinner {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: loginSpinner 0.7s linear infinite;
}

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

/* Responsive */
@media (max-width: 576px) {
    .login-card {
        padding: 1.75rem 1.5rem;
    }

    .login-card__logo img {
        max-width: 140px;
    }

    .login-card__title {
        font-size: 1.25rem;
    }
}