/* AI-One Portal theme – no inline styles; all styling via classes */

:root {
    --ai-bg: #0d1117;
    --ai-card: #161b22;
    --ai-border: #30363d;
    --ai-text: #e6edf3;
    --ai-muted: #8b949e;
    --ai-accent: #58a6ff;
    --ai-cyan: #39c5cf;
    --ai-purple: #a371f7;
    --ai-gradient: linear-gradient(135deg, #1a1f35 0%, #0d1117 50%, #16162a 100%);
    --ai-gradient-auth: linear-gradient(135deg, #0d1117 0%, #16162a 50%, #0d1117 100%);
}

body {
    background: var(--ai-gradient);
    color: var(--ai-text);
    min-height: 100vh;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

/* Auth pages: centered layout */
body.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ai-gradient-auth);
}

body.auth-page.register-page {
    padding: 1rem;
}

.navbar-ai {
    background: rgba(22, 27, 34, 0.95) !important;
    border-bottom: 1px solid var(--ai-border);
}

.navbar-ai .nav-link {
    color: var(--ai-muted) !important;
}

.navbar-ai .nav-link:hover,
.navbar-ai .nav-link.active {
    color: var(--ai-cyan) !important;
}

.card-ai {
    background: var(--ai-card);
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card-ai:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.btn-ai {
    background: linear-gradient(135deg, var(--ai-cyan), var(--ai-purple));
    border: none;
    color: #fff;
}

.btn-ai:hover {
    opacity: 0.9;
    color: #fff;
}

.app-card {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.app-card .card-body {
    padding: 1.25rem;
}

.app-card img {
    border-radius: 12px;
    object-fit: cover;
    width: 100%;
    aspect-ratio: 1;
}

.tagline {
    font-size: 1.25rem;
    color: var(--ai-cyan);
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* Login / register cards */
.login-card {
    background: var(--ai-card);
    border: 1px solid var(--ai-border);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-width: 400px;
    width: 100%;
}

.login-logo {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.25rem;
    background: linear-gradient(135deg, var(--ai-cyan), var(--ai-purple));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.reg-card {
    background: var(--ai-card);
    border: 1px solid var(--ai-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-width: 420px;
    width: 100%;
}

.reg-logo {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--ai-cyan), var(--ai-purple));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.auth-page .form-control {
    background: var(--ai-bg);
    border: 1px solid var(--ai-border);
    color: var(--ai-text);
}

.auth-page .form-control:focus {
    background: var(--ai-bg);
    border-color: var(--ai-cyan);
    color: var(--ai-text);
    box-shadow: 0 0 0 0.2rem rgba(57, 197, 207, 0.25);
}

.btn-login,
.btn-reg {
    background: linear-gradient(135deg, var(--ai-cyan), var(--ai-purple));
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.75rem;
}

.btn-login:hover,
.btn-reg:hover {
    opacity: 0.9;
    color: #fff;
}

.lang-dropdown {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* Icon placeholders (no inline dimensions) */
.icon-placeholder-40 {
    width: 40px;
    height: 40px;
}

.icon-placeholder-48 {
    width: 48px;
    height: 48px;
}

.icon-placeholder-128 {
    width: 128px;
    height: 128px;
}

.grip-handle {
    cursor: move;
}

.bi-app-indicator-large {
    font-size: 3rem;
}

.bi-inbox-large {
    font-size: 4rem;
}