/* ============================================================
   Secure Code Vault — Frontend UI
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;600&family=DM+Mono:wght@300;400&display=swap');

.scv-wrapper {
    --scv-bg:        #0f0f0e;
    --scv-surface:   #191918;
    --scv-border:    rgba(255,255,255,0.08);
    --scv-gold:      #c9a84c;
    --scv-gold-dim:  rgba(201,168,76,0.15);
    --scv-text:      #e8e4dc;
    --scv-muted:     rgba(232,228,220,0.45);
    --scv-success:   #4caf7d;
    --scv-error:     #cf6679;
    --scv-radius:    2px;
    --scv-transition: 200ms ease;

    font-family: 'DM Mono', monospace;
    max-width: 420px;
    margin: 3rem auto;
    padding: 0 1rem;
}

.scv-card {
    background: var(--scv-surface);
    border: 1px solid var(--scv-border);
    border-radius: var(--scv-radius);
    padding: 2.5rem 2.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.scv-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--scv-gold), transparent);
    opacity: 0.7;
}

.scv-header {
    margin-bottom: 1.75rem;
    text-align: center;
}

.scv-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--scv-border);
    border-radius: 50%;
    margin-bottom: 1rem;
    color: var(--scv-gold);
}

.scv-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.scv-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    font-weight: 300;
    letter-spacing: 0.04em;
    color: var(--scv-text);
    margin: 0 0 0.35rem;
    line-height: 1.2;
}

.scv-subtitle {
    font-size: 0.72rem;
    color: var(--scv-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0;
}

.scv-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--scv-muted);
    margin-bottom: 0.5rem;
}

.scv-input-wrap {
    position: relative;
    margin-bottom: 1.25rem;
}

.scv-input {
    width: 100%;
    box-sizing: border-box;
    background: var(--scv-bg);
    border: 1px solid var(--scv-border);
    border-radius: var(--scv-radius);
    color: var(--scv-text);
    font-family: 'DM Mono', monospace;
    font-size: 1.25rem;
    letter-spacing: 0.35em;
    text-align: center;
    text-transform: uppercase;
    padding: 0.85rem 1rem;
    outline: none;
    transition: border-color var(--scv-transition), box-shadow var(--scv-transition);
    -webkit-appearance: none;
}

.scv-input::placeholder {
    color: rgba(232,228,220,0.18);
    letter-spacing: 0.2em;
}

.scv-input:focus {
    border-color: rgba(201,168,76,0.5);
    box-shadow: 0 0 0 3px var(--scv-gold-dim);
}

.scv-btn {
    width: 100%;
    background: transparent;
    border: 1px solid var(--scv-gold);
    border-radius: var(--scv-radius);
    color: var(--scv-gold);
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.85rem 1rem;
    cursor: pointer;
    transition: background var(--scv-transition), color var(--scv-transition), opacity var(--scv-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.scv-btn:hover:not(:disabled) {
    background: var(--scv-gold);
    color: var(--scv-bg);
}

.scv-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.scv-btn-arrow {
    transition: transform var(--scv-transition);
    display: inline-block;
}

.scv-btn:hover:not(:disabled) .scv-btn-arrow {
    transform: translateX(3px);
}

.scv-spinner {
    width: 13px;
    height: 13px;
    border: 1.5px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: scv-spin 0.7s linear infinite;
    display: none;
}

@keyframes scv-spin {
    to { transform: rotate(360deg); }
}

.scv-message {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--scv-radius);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    line-height: 1.5;
    display: none;
    align-items: flex-start;
    gap: 0.5rem;
}

.scv-message.is-visible { display: flex; }

.scv-message-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.4em;
}

.scv-message.scv-success {
    background: rgba(76,175,125,0.1);
    color: var(--scv-success);
    border: 1px solid rgba(76,175,125,0.2);
}
.scv-message.scv-success .scv-message-dot { background: var(--scv-success); }

.scv-message.scv-error {
    background: rgba(207,102,121,0.1);
    color: var(--scv-error);
    border: 1px solid rgba(207,102,121,0.2);
}
.scv-message.scv-error .scv-message-dot { background: var(--scv-error); }

.scv-footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--scv-border);
    text-align: center;
    font-size: 0.65rem;
    color: var(--scv-muted);
    letter-spacing: 0.06em;
}