import gradio as gr


custom_css = """
/* ──────────────────────────────────────────────
   Base / layout
   ────────────────────────────────────────────── */
body {
    background: linear-gradient(135deg, #020617 0%, #1e0b45 50%, #020617 100%);
}
.gradio-container {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
                 "Segoe UI", sans-serif;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 36px 36px 48px 36px !important;
    color: #f9fafb;
}
.gradio-container .block {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

/* Give all rows breathing room between columns */
.gradio-container .row > .column {
    padding: 0 6px;
}
.gradio-container .row {
    gap: 18px !important;
}

/* Tabs spacing */
.gradio-container .tab-nav,
.gradio-container .tabs > .tab-nav {
    margin-bottom: 18px !important;
}
.gradio-container .tab-nav button {
    padding: 10px 18px !important;
    font-size: 14px !important;
}

/* ──────────────────────────────────────────────
   Glass card shell
   ────────────────────────────────────────────── */
.glass-card {
    background: rgba(15, 23, 42, 0.96) !important;
    border-radius: 22px !important;
    border: 1px solid rgba(148, 163, 184, 0.28) !important;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.55) !important;
    overflow: hidden;
    margin-bottom: 18px !important;
}

/* Padding via ID selectors (beats Svelte scoped styles) */
#input-card,
#result-card,
#hiw-intro-card,
#hiw-step1-card,
#hiw-step2-card,
#hiw-step3-card,
#about-intro-card,
#about-thesis-card,
#fb-intro-card,
#fb-form-card,
#fb-faq-card {
    padding: 28px 30px !important;
}

/* Inner Gradio form wrapper (Svelte renders this inside every Group) */
#input-card > .form,
#result-card > .form,
#hiw-intro-card > .form,
#hiw-step1-card > .form,
#hiw-step2-card > .form,
#hiw-step3-card > .form,
#about-intro-card > .form,
#about-thesis-card > .form,
#fb-intro-card > .form,
#fb-form-card > .form,
#fb-faq-card > .form {
    padding: 0 !important;
    gap: 16px !important;
}

/* Markdown blocks inside cards — vertical rhythm */
.glass-card .prose,
.glass-card .markdown-body {
    margin: 0 !important;
}
.glass-card h2,
.glass-card h3,
.glass-card h4 {
    margin-top: 0 !important;
    margin-bottom: 12px !important;
    color: #f8fafc !important;
}
.glass-card p,
.glass-card li {
    color: #e5e7eb !important;
    line-height: 1.65 !important;
}
.glass-card blockquote {
    border-left: 3px solid rgba(148, 163, 184, 0.45) !important;
    padding: 10px 14px !important;
    margin: 4px 0 !important;
    color: #cbd5f5 !important;
    background: rgba(148, 163, 184, 0.06) !important;
    border-radius: 8px !important;
}

/* Equal-height card rows */
.card-row {
    align-items: stretch !important;
}
.card-row .glass-card {
    height: 100%;
}

/* ──────────────────────────────────────────────
   Hero section
   ────────────────────────────────────────────── */
.hero-section {
    max-width: 1120px;
    margin: 4px auto 28px auto;
    padding: 0 4px;
}
.hero-title {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.25;
    color: #f1f5f9;
    margin-bottom: 12px;
}
.hero-subtitle {
    font-size: 14.5px;
    line-height: 1.6;
    max-width: 720px;
    color: #cbd5f5;
    opacity: 0.92;
}

/* ──────────────────────────────────────────────
   Confidence display
   ────────────────────────────────────────────── */
.conf-text-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    margin-top: 14px;
    margin-bottom: 10px;
}
.conf-val {
    font-size: 32px;
    font-weight: 700;
    color: #f8fafc;
    line-height: 1;
    letter-spacing: -0.01em;
}
.conf-caption {
    font-size: 12px;
    opacity: 0.75;
    color: #cbd5f5;
    padding-bottom: 4px;
}
.conf-bar-bg {
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.22);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    margin-top: 4px;
}
.conf-bar-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #f97316, #fb923c);
    transition: width 0.4s ease;
}

/* ──────────────────────────────────────────────
   Label badges
   ────────────────────────────────────────────── */
.badge-pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.badge-fake { background: #f97316; color: #111827; }
.badge-real { background: #22c55e; color: #022c22; }
.badge-neutral {
    background: rgba(148, 163, 184, 0.25);
    color: #cbd5f5;
}

/* ──────────────────────────────────────────────
   Textboxes & inputs
   ────────────────────────────────────────────── */
#news-textbox textarea,
#fb-textbox textarea,
#fb-email-textbox textarea,
#fb-email-textbox input {
    background: #020617 !important;
    border-radius: 12px !important;
    border: 1px solid rgba(148, 163, 184, 0.30) !important;
    color: #f9fafb !important;
    font-size: 14px !important;
    padding: 16px 18px !important;
    line-height: 1.6 !important;
    box-sizing: border-box !important;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
#news-textbox textarea:focus,
#fb-textbox textarea:focus,
#fb-email-textbox input:focus {
    border-color: rgba(165, 180, 252, 0.7) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18) !important;
    outline: none !important;
}
#news-textbox textarea::placeholder,
#fb-textbox textarea::placeholder,
#fb-email-textbox input::placeholder {
    color: #94a3b8 !important;
    opacity: 1 !important;
}

/* Labels */
.gradio-container label {
    margin-bottom: 8px !important;
    font-size: 13px !important;
    color: #e2e8f0 !important;
}

/* Dropdown */
.gradio-container .wrap.svelte-1ipelgc,
.gradio-container select,
.gradio-container .gr-dropdown {
    background: #020617 !important;
    color: #f9fafb !important;
    border-radius: 12px !important;
    border: 1px solid rgba(148, 163, 184, 0.30) !important;
}

/* Checkbox label spacing */
.gradio-container .gr-checkbox label,
.gradio-container input[type="checkbox"] + span {
    color: #e2e8f0 !important;
    font-size: 13px !important;
}

/* ──────────────────────────────────────────────
   Buttons
   ────────────────────────────────────────────── */
.btn-row {
    gap: 12px !important;
    margin-top: 4px !important;
}

.btn-primary-custom,
.btn-secondary-custom {
    border-radius: 12px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    padding: 11px 22px !important;
    min-height: 42px !important;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease !important;
    border: 1px solid transparent !important;
    cursor: pointer !important;
}

.btn-primary-custom {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%) !important;
    color: #ffffff !important;
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35) !important;
}
.btn-primary-custom:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(99, 102, 241, 0.45) !important;
}
.btn-primary-custom:active {
    transform: translateY(0);
}

.btn-secondary-custom {
    background: rgba(148, 163, 184, 0.12) !important;
    color: #e5e7eb !important;
    border: 1px solid rgba(148, 163, 184, 0.35) !important;
}
.btn-secondary-custom:hover {
    background: rgba(148, 163, 184, 0.20) !important;
    transform: translateY(-1px);
}

/* ──────────────────────────────────────────────
   Helper text
   ────────────────────────────────────────────── */
.helper-text {
    font-size: 12px;
    opacity: 0.75;
    color: #cbd5f5;
    display: inline-block;
    margin-top: 4px;
}

/* ──────────────────────────────────────────────
   Responsive
   ────────────────────────────────────────────── */
@media (max-width: 900px) {
    .gradio-container {
        padding: 20px 18px 32px 18px !important;
    }
    .two-col {
        flex-direction: column !important;
    }
    .hero-title {
        font-size: 26px;
    }
    #input-card,
    #result-card,
    #hiw-intro-card,
    #hiw-step1-card,
    #hiw-step2-card,
    #hiw-step3-card,
    #about-intro-card,
    #about-thesis-card,
    #fb-intro-card,
    #fb-form-card,
    #fb-faq-card {
        padding: 22px 22px !important;
    }
}
"""


def header():
    return gr.HTML(
        """
        <div style="max-width:1120px;margin:0 auto 4px auto;">
          <header style="display:flex;align-items:center;justify-content:space-between;
                         margin-bottom:22px;padding:0 4px;">
            <div style="display:flex;align-items:center;gap:12px;">
              <div style="width:36px;height:36px;border-radius:999px;
                          background:radial-gradient(circle at 30% 30%, #a5b4fc, #6366f1);
                          display:flex;align-items:center;justify-content:center;
                          color:#020617;font-weight:700;font-size:17px;
                          box-shadow:0 6px 16px rgba(99,102,241,0.35);">
                C
              </div>
              <div style="line-height:1.25;">
                <div style="font-weight:600;font-size:13px;letter-spacing:0.10em;
                            text-transform:uppercase;color:#f1f5f9;">
                  CMD&#8209;BERT
                </div>
                <div style="font-size:11.5px;color:#94a3b8;margin-top:2px;">
                  Cebuano Misinformation Detector
                </div>
              </div>
            </div>
            <div style="display:flex;align-items:center;gap:10px;font-size:13px;
                        color:#e5e7eb;opacity:0.9;">
              <span>About CMD&#8209;BERT</span>
              <div style="width:26px;height:26px;border-radius:999px;
                          background:rgba(148,163,184,0.30);
                          border:1px solid rgba(148,163,184,0.35);"></div>
            </div>
          </header>
        </div>
        """
    )