/* =========================================
   PASSWORD GATE — Confidential case studies
   password-gate.css
   ========================================= */

/* When gate is active, hide everything except the gate */
body.gate-locked > *:not(#password-gate) {
    display: none !important;
}

/* Gate container */
#password-gate {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 500;
    background: var(--ink);
    align-items: center;
    justify-content: center;
    padding: calc(var(--space-unit) * 2);
}

body.gate-locked #password-gate {
    display: flex;
}

/* Inner card */
.gate-inner {
    width: 100%;
    max-width: 28rem;
}

.gate-label {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--text-micro);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: calc(var(--space-unit) * 2.5);
}

.gate-title {
    font-family: var(--font-sans);
    font-size: var(--text-h1);
    font-weight: 800;
    letter-spacing: var(--tracking-display);
    line-height: var(--lh-display);
    color: #ffffff;
    margin-bottom: calc(var(--space-unit) * 1);
}

.gate-desc {
    font-family: var(--font-sans);
    font-size: var(--text-small);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: calc(var(--space-unit) * 3);
    max-width: none;
}

/* Form */
.gate-form {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

@media (min-width: 420px) {
    .gate-form {
        flex-direction: row;
    }
}

.gate-input {
    flex: 1;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: #ffffff;
    caret-color: #ffffff;
    background: rgba(255, 255, 255, 0.18);
    border: 1.5px solid rgba(255, 255, 255, 0.55);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
    min-width: 0;
    width: 100%;
    -webkit-text-fill-color: #ffffff;
    -webkit-appearance: none;
    appearance: none;
}

.gate-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
    -webkit-text-fill-color: rgba(255, 255, 255, 0.35);
}

.gate-input:focus {
    border-color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.22);
}

.gate-btn {
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 700;
    background: #ffffff;
    color: var(--ink);
    border: none;
    border-radius: var(--radius);
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    white-space: nowrap;
    letter-spacing: 0.01em;
    transition: background 0.2s ease;
}

.gate-btn:hover {
    background: rgba(255, 255, 255, 0.88);
    transform: translateY(-1px);
}

/* Error state */
.gate-error {
    font-family: var(--font-sans);
    font-size: var(--text-small);
    color: #ff9494;
    margin-top: 0.75rem;
}

/* Back link */
.gate-back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: calc(var(--space-unit) * 3);
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.62);
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 2px;
}

.gate-back:hover {
    color: #ffffff;
    transform: translateX(-3px);
    border-bottom-color: rgba(255, 255, 255, 0.5);
}