/* ==========================================================================
   GlowMate Main Stylesheet
   Import centralized variables first, then define component styles
   ========================================================================== */
@import url('css/_variables.css');

/* Base reset and background */
html, body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background-image: url('assets/GLOWI_SPLASH.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: 100vh;
    margin: 0;
    color: var(--text);
}

/* Global form controls (inputs, selects, textareas) */
input[type="text"],
input[type="search"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
    -webkit-appearance: none;
    appearance: none;
    background: var(--control-bg);
    color: var(--control-text);
    border: 1px solid var(--control-border);
    border-radius: var(--radius-sm);
    padding: .5rem .625rem;
    transition: border-color 120ms ease, box-shadow 150ms ease, background-color 120ms ease, color 120ms ease;
}

select { min-width: 180px; }

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--control-focus);
    outline-offset: 1px;
}

/* Minimal utility classes to replace Bootstrap usage */
.container { max-width: 1200px; margin-inline: auto; }
.p-3 { padding: 1rem; }
.mb-2 { margin-bottom: .5rem; }
.me-2 { margin-right: .5rem; }

/* Buttons */
.btn {
    -webkit-tap-highlight-color: transparent;
    appearance: none;
    border: 1px solid var(--border-light);
    background: var(--surface-0);
    color: var(--text);
    border-radius: var(--radius-sm);
    padding: .5rem .875rem;
    line-height: 1.25;
    cursor: pointer;
    transition: transform 120ms ease, background-color 120ms ease, box-shadow 150ms ease, border-color 120ms ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--elev-1); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--control-focus); outline-offset: 1px; }

/* Variants */
.btn-primary { background: color-mix(in srgb, var(--brand-secondary) 12%, transparent); color: var(--brand-secondary); border-color: color-mix(in srgb, var(--brand-secondary) 35%, transparent); }
.btn-primary:hover { background: color-mix(in srgb, var(--brand-secondary) 18%, transparent); }

.btn-secondary { background: var(--surface-1); color: var(--text); }

.btn-success { background: rgba(22,163,74,.15); color: var(--status-success); border-color: rgba(22,163,74,.35); }
.btn-info    { background: rgba(14,165,233,.15); color: var(--status-info); border-color: rgba(14,165,233,.35); }
.btn-warning { background: rgba(245,158,11,.18); color: var(--status-warning); border-color: rgba(245,158,11,.4); }
.btn-danger  { background: rgba(220,38,38,.18); color: var(--status-error); border-color: rgba(220,38,38,.4); }

.btn-outline-secondary { background: transparent; color: var(--text); border-color: var(--border-light); }
.btn-outline-secondary:hover { background: var(--surface-1); }

/* Links */
a, .btn-link { color: var(--link); }

/* Toast styles */
.gm-toast-container[toast-layer], .toast-container[toast-layer] {
    position: fixed; top: 1rem; right: 1rem; z-index: 1080;
}
.gm-toast {
    display: flex; align-items: center; gap: .75rem;
    min-width: 260px; max-width: 480px; padding: .75rem 1rem;
    border-radius: .5rem; box-shadow: var(--elev-2);
    background: var(--surface-0); color: var(--text);
    margin-bottom: .5rem; border: 1px solid var(--border-light);
}
.gm-toast-hide { display: none; }
.gm-toast-show { display: block; animation: fadeIn .2s ease-out; }
.toast-icon { font-size: 1.25rem; line-height: 1; }
.toast-message { flex: 1; }
.toast-close { background: transparent; border: 0; cursor: pointer; }
.gm-toast-success { border-left: 4px solid var(--status-success); }
.gm-toast-error   { border-left: 4px solid var(--status-error); }
.gm-toast-warning { border-left: 4px solid var(--status-warning); }
.gm-toast-info    { border-left: 4px solid var(--status-info); }
.gm-toast-progress { height: 2px; background: currentColor; opacity: .25; width: 100%; transform-origin: left center; animation: progress var(--toast-duration, 3000ms) linear forwards; }
.paused .gm-toast-progress { animation-play-state: paused; }
.flip-a .gm-toast-progress { animation-name: none; }
.flip-b .gm-toast-progress { animation-name: progress; }
@keyframes progress { from { transform: scaleX(1); } to { transform: scaleX(0); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* Error boundary (kept) */
.blazor-error-boundary { background: var(--status-error); color: var(--text-on-dark); padding: 1rem; border-radius: .5rem; }

/* Form validation (kept) */
.valid.modified:not([type=checkbox]) { outline: 1px solid var(--status-success); }
.invalid { outline: 1px solid var(--status-error); }
.validation-message { color: var(--status-error); }

.gm-toggle {
    display: flex;
    align-items: center;
    gap: .75rem;
    cursor: pointer;
    position: relative;
    color: var(--text);
}

.gm-toggle__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.gm-toggle__track {
    width: 2.75rem;
    height: 1.5rem;
    background: color-mix(in srgb, var(--brand-secondary) 35%, transparent);
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    padding: .125rem;
    transition: background-color 160ms ease;
    flex-shrink: 0;
}

.gm-toggle__thumb {
    width: 1.2rem;
    height: 1.2rem;
    background: var(--surface-0);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,.25);
    transition: transform 160ms ease, background-color 160ms ease;
}

.gm-toggle__input:checked + .gm-toggle__track {
    background: var(--brand-mint);
}

.gm-toggle__input:checked + .gm-toggle__track .gm-toggle__thumb {
    transform: translateX(1.2rem);
    background: var(--text-on-dark);
}

.gm-toggle__input:focus-visible + .gm-toggle__track {
    outline: 2px solid color-mix(in srgb, var(--brand-secondary) 55%, transparent);
    outline-offset: 2px;
}

.gm-toggle__label {
    font-weight: 600;
}

.gm-toggle__hint {
    margin: .25rem 0 0 3.5rem;
    font-size: .875rem;
    color: var(--muted-light);
}

:root[data-theme="dark"] .gm-toggle__hint {
    color: var(--muted-dark);
}

/* Global select (dropdown) list theming - tokens defined in _variables.css */
/* The popup list rows */
select option,
select optgroup {
    background: var(--select-list-bg);
    color: var(--select-list-fg);
}

/* Selected/hover row in the popup list */
select option:checked,
select option:hover {
    background: var(--select-list-hover-bg);
    color: var(--select-list-fg);
}

/* Reusable helper to disable text selection across platforms */
.no-select {
    -webkit-user-select: none; /* Safari (incl. iOS) */
    -ms-user-select: none;     /* Old Edge */
    user-select: none;         /* Modern browsers */
    -webkit-touch-callout: none; /* Disable callout on iOS long-press */
}

/* ============================================
   Mention chip styles (global)
   Used by contenteditable mention input.
   Chips are atomic units that can't be edited internally.
   ============================================ */
.mention-chip {
    display: inline-block;
    color: var(--brand-indigo);
    font-weight: 600;
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand-primary) 12%, transparent) 0%, color-mix(in srgb, var(--brand-secondary) 8%, transparent) 100%);
    border: 1px solid color-mix(in srgb, var(--brand-primary) 25%, transparent);
    border-radius: 12px;
    padding: 2px 8px;
    margin: 0 2px;
    font-size: 0.9em;
    line-height: 1.4;
    vertical-align: baseline;
    cursor: default;
    user-select: none;
    -webkit-user-select: none;
    transition: background 150ms ease, border-color 150ms ease;
}

.mention-chip:hover {
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand-primary) 18%, transparent) 0%, color-mix(in srgb, var(--brand-secondary) 12%, transparent) 100%);
    border-color: color-mix(in srgb, var(--brand-primary) 35%, transparent);
}

:root[data-theme="dark"] .mention-chip {
    color: var(--brand-mint);
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand-secondary) 15%, transparent) 0%, color-mix(in srgb, var(--brand-primary) 10%, transparent) 100%);
    border: 1px solid color-mix(in srgb, var(--brand-secondary) 30%, transparent);
}

:root[data-theme="dark"] .mention-chip:hover {
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand-secondary) 22%, transparent) 0%, color-mix(in srgb, var(--brand-primary) 15%, transparent) 100%);
    border-color: color-mix(in srgb, var(--brand-secondary) 40%, transparent);
}

/* System dark preference fallback */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) .mention-chip {
        color: var(--brand-mint);
        background: linear-gradient(135deg, color-mix(in srgb, var(--brand-secondary) 15%, transparent) 0%, color-mix(in srgb, var(--brand-primary) 10%, transparent) 100%);
        border: 1px solid color-mix(in srgb, var(--brand-secondary) 30%, transparent);
    }

    :root:not([data-theme]) .mention-chip:hover {
        background: linear-gradient(135deg, color-mix(in srgb, var(--brand-secondary) 22%, transparent) 0%, color-mix(in srgb, var(--brand-primary) 15%, transparent) 100%);
        border-color: color-mix(in srgb, var(--brand-secondary) 40%, transparent);
    }
}

/* ============================================
   Mention chips inside user message bubbles
   User messages have indigo background - use secondary (mint) color
   ============================================ */
.from-me .message-content .mention-chip {
    color: var(--brand-secondary);
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand-secondary) 20%, transparent) 0%, color-mix(in srgb, var(--brand-secondary) 10%, transparent) 100%);
    border: 1px solid color-mix(in srgb, var(--brand-secondary) 40%, transparent);
}

.from-me .message-content .mention-chip:hover {
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand-secondary) 3%, transparent) 0%, color-mix(in srgb, var(--brand-secondary) 18%, transparent) 100%);
    border-color: color-mix(in srgb, var(--brand-secondary) 55%, transparent);
}

/* ============================================
   File upload button - uploading state
   Uses brand-primary from _variables.css
   ============================================ */
.file-attach-btn.uploading {
    background: var(--brand-primary) !important;
    color: var(--text-on-dark) !important;
}

.file-attach-btn.uploading .upload-progress {
    color: var(--text-on-dark) !important;
}