/* ============================================================
   login.css — Pantalla de login Skullman CRM
   ============================================================ */

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

:root {
    --bg:         #0d0d0d;
    --surface:    #1a1a1a;
    --border:     #2a2a2a;
    --accent:     #ffffff;
    --accent-h:   #e0e0e0;
    --text:       #f0f0f0;
    --muted:      #888;
    --input-bg:   #111;
    --radius:     10px;
    --font:       'Poppins', sans-serif;
}

html, body {
    height: 100%;
}

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

/* ── Card ── */
.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 40px rgba(0,0,0,.6);
}

/* ── Logo / Brand ── */
.brand {
    text-align: center;
    margin-bottom: 2rem;
}

.brand-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--text);
}

.brand-subtitle {
    font-size: .8rem;
    color: var(--muted);
    margin-top: .2rem;
    letter-spacing: .06em;
    text-transform: uppercase;
}

/* ── Form ── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: .4rem;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font);
    font-size: 1rem;
    padding: .75rem 1rem;
    outline: none;
    transition: border-color .2s;
    -webkit-appearance: none;
}

.form-control:focus {
    border-color: var(--accent);
}

.form-control::placeholder {
    color: #444;
}

/* ── Botón principal ── */
.btn-primary {
    display: block;
    width: 100%;
    background: var(--accent);
    color: #0d0d0d;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    padding: .85rem;
    cursor: pointer;
    letter-spacing: .04em;
    transition: background .2s, transform .1s;
    min-height: 48px;
    margin-top: .5rem;
}

.btn-primary:hover {
    background: var(--accent-h);
}

.btn-primary:active {
    transform: scale(.98);
}

/* ── Alerta de error ── */
.alert-error {
    background: rgba(193,18,31,.15);
    border: 1px solid rgba(193,18,31,.5);
    border-radius: var(--radius);
    color: #ff6b75;
    font-size: .875rem;
    padding: .75rem 1rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

/* ── Password toggle ── */
.input-wrapper {
    position: relative;
}

.input-wrapper .form-control {
    padding-right: 3rem;
}

.btn-toggle-pw {
    position: absolute;
    right: .75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--muted);
    padding: .25rem;
    display: flex;
    align-items: center;
    transition: color .2s;
}

.btn-toggle-pw:hover { color: var(--text); }

/* ── Footer card ── */
.login-footer {
    text-align: center;
    font-size: .75rem;
    color: var(--muted);
    margin-top: 1.75rem;
}

/* ── Spinner en botón ── */
@keyframes spin { to { transform: rotate(360deg); } }

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(0,0,0,.25);
    border-top-color: #0d0d0d;
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: middle;
    margin-right: .4rem;
}

/* ── Responsive ── */
@media (max-width: 420px) {
    .login-card {
        padding: 2rem 1.25rem;
    }
}