/* ================================================
   PORTAL - Page login brand.blast-design.fr
================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;600;700;800&display=swap');

:root {
    --bg:          #1a1c2c;
    --bg-top:      #272a41;
    --text:        #ffffff;
    --text-mid:    rgba(255,255,255,0.65);
    --text-dim:    rgba(255,255,255,0.35);
    --border:      rgba(255,255,255,0.10);
    --border-focus:rgba(255,255,255,0.28);
    --accent:      #00AAC5;
    --danger-bg:   rgba(255,100,80,0.10);
    --danger-br:   rgba(255,100,80,0.30);
    --danger-tx:   #ffb3a5;
    --font:        'DM Sans', system-ui, sans-serif;
    --font-titres: 'Plus Jakarta Sans', system-ui, sans-serif;
}

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

html, body {
    height: 100%;
    font-family: var(--font);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

body.portal-login {
    background: radial-gradient(circle at 30% 20%, var(--bg-top) 0%, var(--bg) 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

/* Grille décorative en fond */
body.portal-login::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
}

.portal-box {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3rem 2.5rem 2.25rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.portal-head {
    text-align: center;
    margin-bottom: 2.25rem;
}

.portal-logo {
    height: 32px;
    width: auto;
    margin: 0 auto 1.5rem;
    display: block;
    opacity: 0.9;
}

.portal-title {
    font-family: var(--font-titres);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.015em;
    margin-bottom: 0.5rem;
}

.portal-sub {
    font-size: 0.82rem;
    font-weight: 400;
    line-height: 1.55;
    color: var(--text-mid);
    max-width: 320px;
    margin: 0 auto;
}

.portal-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.portal-input {
    width: 100%;
    padding: 0.95rem 1.1rem;
    background: rgba(0,0,0,0.25);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.portal-input::placeholder { color: var(--text-dim); }

.portal-input:focus {
    outline: none;
    border-color: var(--border-focus);
    background: rgba(0,0,0,0.35);
}

.portal-submit {
    margin-top: 0.5rem;
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 10px;
    font-family: var(--font-titres);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s ease;
}

.portal-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0, 170, 197, 0.32);
}

.portal-submit:active { transform: translateY(0); }

.portal-error {
    padding: 0.75rem 1rem;
    background: var(--danger-bg);
    border: 1px solid var(--danger-br);
    border-radius: 8px;
    color: var(--danger-tx);
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.5;
}

.portal-foot {
    margin-top: 2.25rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-dim);
}

.portal-foot a {
    color: var(--text-mid);
    text-decoration: none;
    transition: color 0.2s;
}

.portal-foot a:hover { color: var(--text); }

.portal-foot .dot { margin: 0 0.5rem; opacity: 0.4; }

@media (max-width: 480px) {
    .portal-box { padding: 2.25rem 1.75rem 1.75rem; }
    .portal-title { font-size: 1.25rem; }
}