/* login.css — Kai-Cart Management System */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600&display=swap');

:root {
    --brand-orange: #F26A1B;
    --brand-orange-dark: #D45A0F;
    --brand-blue: #1E6FA8;
    --bg-white: #FFFFFF;
    --bg-page: #F0F4F8;
    --text-primary: #0D1B2A;
    --text-muted: #8A9BB0;
    --border-color: #E4EAF0;
    --error-bg: #FFF5F5;
    --error-text: #C53030;
    --error-border: #FEB2B2;
}

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

body {
    font-family: 'DM Sans', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0D1B2A;
    position: relative;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Ambient glows */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 45% at 75% 25%, rgba(242,106,27,0.09) 0%, transparent 65%),
        radial-gradient(ellipse 45% 55% at 20% 80%, rgba(30,111,168,0.1) 0%, transparent 60%);
    z-index: 0;
}

/* Subtle grid */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 44px 44px;
    z-index: 0;
}

/* ═══════════════════════════
   CONTAINER
   ═══════════════════════════ */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    padding: 1.5rem;
    animation: fadeUp 0.5s cubic-bezier(0.34,1.4,0.64,1) forwards;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════
   CARD
   ═══════════════════════════ */
.login-card {
    background: var(--bg-white);
    border-radius: 1.5rem;
    padding: 2.25rem 2.25rem 2rem;
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.05),
        0 24px 64px rgba(0,0,0,0.45),
        0 8px 24px rgba(0,0,0,0.25);
}

/* ─── Brand ─── */
.login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

/*
 * El logo PNG ya tiene "Kai-Cart" escrito adentro.
 * Lo mostramos grande para que luzca solo.
 * mix-blend-mode:screen elimina el fondo negro sobre fondos oscuros,
 * pero aquí el fondo es blanco, así que usamos 'multiply' para quitar
 * el blanco y dejar solo el dibujo del carrito.
 * Si el PNG tiene fondo negro => usar screen en base.css (sidebar oscuro)
 * y aquí como la card es blanca, usamos contain + tamaño generoso.
 */
.login-logo-img {
    height: 72px;
    width: auto;
    object-fit: contain;
    /* El logo trae fondo negro — multiply lo fusiona con el blanco de la card
       dejando visible solo el dibujo de color */
    mix-blend-mode: multiply;
}

.login-logo-sub {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    font-weight: 600;
    text-transform: uppercase;
}

/* ─── Header ─── */
.login-header { margin-bottom: 1.5rem; }

.login-header h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.4px;
    margin-bottom: 0.3rem;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ─── Error ─── */
.alert-error {
    background: var(--error-bg);
    color: var(--error-text);
    padding: 0.7rem 0.9rem;
    border-radius: 0.625rem;
    font-size: 0.8125rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--error-border);
    animation: shake 0.35s ease;
}

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

/* ─── Form ─── */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.input-icon {
    position: absolute;
    left: 0.9rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.2s;
}

.input-wrapper input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.75rem;
    font-size: 0.9rem;
    font-family: 'DM Sans', sans-serif;
    background: var(--bg-page);
    border: 1.5px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-primary);
    transition: all 0.2s;
    outline: none;
}

.input-wrapper input::placeholder { color: var(--text-muted); }

.input-wrapper input:focus {
    border-color: var(--brand-orange);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(242,106,27,0.1);
}

.input-wrapper:focus-within .input-icon { color: var(--brand-orange); }

.toggle-password {
    position: absolute;
    right: 0.9rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    transition: color 0.2s;
    padding: 0;
}

.toggle-password:hover { color: var(--brand-blue); }

/* ─── Submit ─── */
.btn-login {
    background: linear-gradient(135deg, var(--brand-orange) 0%, var(--brand-orange-dark) 100%);
    color: #fff;
    border: none;
    border-radius: 0.75rem;
    padding: 0.9rem;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: 'Plus Jakarta Sans', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    transition: all 0.22s;
    box-shadow: 0 4px 14px rgba(242,106,27,0.35);
    letter-spacing: 0.01em;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(242,106,27,0.45);
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(242,106,27,0.25);
}

.btn-login svg { transition: transform 0.2s; }
.btn-login:hover svg { transform: translateX(3px); }

/* ─── Footer ─── */
.login-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.6875rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

/* ─── Legacy panel (unused) ─── */
.login-decoration { display: none !important; }

/* ═══════════════════════════
   RESPONSIVE
   ═══════════════════════════ */
@media (max-width: 480px) {
    .login-container { padding: 1rem; }
    .login-card { padding: 2rem 1.5rem 1.75rem; }
    .login-logo-img { height: 60px; }
}