/* ============================================================
   Haven Register – stylesheet
   Reuses Haven CSS custom properties for consistent theming.
   ============================================================ */

/* --- Theme variables (copied from haven-sleep) -------------- */

:root {
    --bg-primary:    #0f1117;
    --bg-surface:    #1c1e26;
    --bg-hover:      #22242e;
    --border:        #2e3039;
    --border-hover:  #4f8ff7;
    --text-primary:  #e4e4e7;
    --text-heading:  #ffffff;
    --text-muted:    #a1a1aa;
    --text-faint:    #71717a;
    --text-subtle:   #52525b;
    --text-ghost:    #3f3f46;
    --accent:        #4ecdc4;
    --accent-hover:  #45b7af;
    --accent-glow:   #4ecdc418;
    --link:          #4f8ff7;
    --link-hover:    #93bbfc;
    --nav-bg:        #0f1117;
    --nav-border:    #2e3039;
    --nav-link:      #a1a1aa;
    --nav-link-hover:#e4e4e7;
    --nav-active:    #4ecdc4;
    --status-green:       #22c55e;
    --status-green-text:  #4ade80;
    --status-green-bg:    #22c55e18;
    --status-red:       #ef4444;
    --status-red-text:  #f87171;
    --status-red-bg:    #ef444418;
}

[data-theme="light"] {
    --bg-primary:    #f4f4f5;
    --bg-surface:    #ffffff;
    --bg-hover:      #f0f0f2;
    --border:        #d4d4d8;
    --border-hover:  #4f8ff7;
    --text-primary:  #27272a;
    --text-heading:  #09090b;
    --text-muted:    #52525b;
    --text-faint:    #71717a;
    --text-subtle:   #a1a1aa;
    --text-ghost:    #d4d4d8;
    --accent:        #2ba89e;
    --accent-hover:  #24938a;
    --accent-glow:   #2ba89e18;
    --link:          #2563eb;
    --link-hover:    #1d4ed8;
    --nav-bg:        #ffffff;
    --nav-border:    #d4d4d8;
    --nav-link:      #52525b;
    --nav-link-hover:#09090b;
    --nav-active:    #2ba89e;
    --status-green:       #16a34a;
    --status-green-text:  #15803d;
    --status-green-bg:    #16a34a15;
    --status-red:       #dc2626;
    --status-red-text:  #b91c1c;
    --status-red-bg:    #dc262615;
}

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

/* --- Base --------------------------------------------------- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); }

/* --- Nav ---------------------------------------------------- */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 2rem;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-logo { width: 1.5rem; height: 1.5rem; flex-shrink: 0; }
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
}
.nav-brand:hover { color: var(--accent-hover); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

/* --- Theme toggle ------------------------------------------- */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.4rem 0.5rem;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1;
    transition: color 0.2s, border-color 0.2s;
}
.theme-toggle:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

/* --- Content ------------------------------------------------ */
.content { flex: 1; padding: 2rem; }

/* --- Footer ------------------------------------------------- */
.footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.75rem;
    color: var(--text-ghost);
}
.footer a { color: var(--text-subtle); text-decoration: none; }
.footer a:hover { color: var(--text-muted); }

/* --- Wave divider ------------------------------------------- */
.wave-divider { width: 100%; line-height: 0; margin-top: -1px; }
.wave-divider svg { width: 100%; height: 40px; display: block; }

/* --- Registration form -------------------------------------- */
.register-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 10rem);
    padding: 2rem;
}

.register-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2.5rem;
    width: 100%;
    max-width: 440px;
}

.register-title {
    font-size: 1.5rem;
    color: var(--text-heading);
    margin-bottom: 0.3rem;
}

.register-subtitle {
    font-size: 0.9rem;
    color: var(--text-faint);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.register-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input {
    padding: 0.65rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder {
    color: var(--text-subtle);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-subtle);
}

.register-btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: var(--accent);
    color: #0f1117;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}

.register-btn:hover {
    background: var(--accent-hover);
}

/* --- Alerts ------------------------------------------------- */
.register-alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.register-alert-error {
    background: var(--status-red-bg);
    color: var(--status-red-text);
    border: 1px solid var(--status-red);
}

.register-alert-success {
    background: var(--status-green-bg);
    color: var(--status-green-text);
    border: 1px solid var(--status-green);
}

/* --- Success icon ------------------------------------------- */
.register-success-icon {
    width: 3rem;
    height: 3rem;
    line-height: 3rem;
    text-align: center;
    border-radius: 50%;
    background: var(--status-green-bg);
    color: var(--status-green-text);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    border: 2px solid var(--status-green);
}

/* --- Footer link -------------------------------------------- */
.register-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-faint);
}

.register-footer a {
    color: var(--accent);
    font-weight: 500;
}

.register-footer a:hover {
    color: var(--accent-hover);
}