/* KryptoOS Universal Connect Modal - Dracma Protocol Design */

:root {
    --kos-primary: #3b82f6;
    --kos-bg-overlay: rgba(0, 0, 0, 0.85);
    --kos-modal-bg: #000000;
    --kos-text-main: #ffffff;
    --kos-text-sub: #64748b;
    --kos-border: rgba(255, 255, 255, 0.1);
    --kos-border-hover: rgba(255, 255, 255, 0.3);
    --kos-font: var(--font-mono), 'JetBrains Mono', 'Fira Code', monospace;
}

.kos-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--kos-bg-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.kos-overlay.kos-open {
    opacity: 1;
    visibility: visible;
}

.kos-modal {
    width: 100%;
    max-width: 440px;
    background: var(--kos-modal-bg);
    border: 1px solid var(--kos-border);
    padding: 48px;
    font-family: var(--kos-font);
    transform: translateY(10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    border-radius: 0; /* Sharp corners */
}

.kos-overlay.kos-open .kos-modal {
    transform: translateY(0);
}

.kos-header {
    text-align: left;
    margin-bottom: 40px;
}

.kos-logo {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--kos-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.kos-logo svg {
    width: 20px;
    height: 20px;
    color: var(--kos-primary);
}

.kos-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--kos-text-main);
    margin: 0 0 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.kos-subtitle {
    font-size: 11px;
    color: var(--kos-text-sub);
    line-height: 1.6;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kos-highlight {
    color: var(--kos-text-main);
    font-weight: 700;
}

.kos-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kos-btn {
    display: flex;
    align-items: center;
    justify-content: justify;
    width: 100%;
    padding: 16px 20px;
    background: transparent;
    border: 1px solid var(--kos-border);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--kos-font);
    color: var(--kos-text-main);
    border-radius: 0;
}

.kos-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--kos-border-hover);
}

.kos-btn-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.kos-btn-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.kos-btn-tag {
    font-size: 8px;
    color: var(--kos-primary);
    margin-top: 4px;
    letter-spacing: 0.1em;
}

.kos-btn-arrow {
    opacity: 0.3;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.kos-btn:hover .kos-btn-arrow {
    opacity: 1;
    transform: translateX(4px);
}

.kos-footer {
    margin-top: 40px;
    text-align: left;
    font-size: 9px;
    color: var(--kos-text-sub);
    letter-spacing: 0.1em;
    padding-top: 24px;
    border-top: 1px solid var(--kos-border);
}

.kos-footer a {
    color: var(--kos-text-main);
    text-decoration: none;
    font-weight: 700;
}

.kos-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--kos-text-sub);
    transition: all 0.2s;
}

.kos-close:hover {
    color: var(--kos-text-main);
    transform: rotate(90deg);
}

/* Spinner */
.kos-spinner {
    width: 12px;
    height: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--kos-text-main);
    border-radius: 50%;
    animation: kos-spin 0.8s linear infinite;
    display: none;
}

.kos-btn.loading .kos-spinner {
    display: block;
}

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