"""
Mazinger Dubber — Cinematic dark theme for Gradio.
Aesthetic: DaVinci Resolve / Premiere Pro editing suite.
"""

from __future__ import annotations

import gradio as gr
from gradio.themes.utils import colors

# ---------------------------------------------------------------------------
# Color palettes
# ---------------------------------------------------------------------------

amber = colors.Color(
    name="amber",
    c50="#FFF8E7",
    c100="#FEF0C7",
    c200="#FDD98A",
    c300="#FBC24D",
    c400="#F9AB10",
    c500="#F5A623",
    c600="#D4861A",
    c700="#AA6412",
    c800="#7A440B",
    c900="#4A2905",
    c950="#2A1B05",
)

teal = colors.Color(
    name="teal",
    c50="#ECFDF5",
    c100="#D1FAE5",
    c200="#A7F3D0",
    c300="#6EE7B7",
    c400="#2DD4BF",
    c500="#14B8A6",
    c600="#0D9488",
    c700="#0F766E",
    c800="#115E59",
    c900="#134E4A",
    c950="#042F2E",
)

studio_gray = colors.Color(
    name="studio_gray",
    c50="#E8E8ED",
    c100="#D0D0D8",
    c200="#A8A8B4",
    c300="#7A7A8A",
    c400="#5A5A6A",
    c500="#3A3A48",
    c600="#2A2A36",
    c700="#1E222B",
    c800="#161A21",
    c900="#0D0F12",
    c950="#070809",
)

# ---------------------------------------------------------------------------
# Custom CSS
# ---------------------------------------------------------------------------

CUSTOM_CSS = """
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:wght@200;800;900&family=IBM+Plex+Sans:wght@400;600&family=JetBrains+Mono:wght@400&display=swap');

/* ── Design tokens ─────────────────────────────────────────────────────── */
:root {
  --bg-deep:        #0D0F12;
  --bg-surface:     #161A21;
  --border-subtle:  rgba(255, 255, 255, 0.06);
  --accent-amber:   #F5A623;
  --accent-teal:    #2DD4BF;
  --text-primary:   #E8E8ED;
  --text-secondary: #8B8D97;
}

/* ── Body / container resets ───────────────────────────────────────────── */
body,
.gradio-container {
  background-color: var(--bg-deep) !important;
  font-family: 'IBM Plex Sans', sans-serif !important;
  color: var(--text-primary) !important;
}

/* ── Studio header ─────────────────────────────────────────────────────── */
.studio-header {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
}

.studio-header h1 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 900;
  font-size: 3.5rem;
  line-height: 1.05;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.studio-header p {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  font-size: 1rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  margin: 0;
  text-transform: uppercase;
}

/* ── Card surface ──────────────────────────────────────────────────────── */
.card-surface {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
}

/* ── Primary action button ─────────────────────────────────────────────── */
.dub-btn,
.dub-btn button {
  background: var(--accent-amber) !important;
  color: var(--bg-deep) !important;
  font-family: 'Bricolage Grotesque', sans-serif !important;
  font-weight: 800 !important;
  font-size: 1.2rem !important;
  letter-spacing: 0.12em !important;
  border: none !important;
  border-radius: 8px !important;
  padding: 0.85rem 2rem !important;
  cursor: pointer !important;
  transition: box-shadow 0.25s ease, transform 0.15s ease !important;
  text-transform: uppercase !important;
}

.dub-btn:hover,
.dub-btn button:hover {
  box-shadow: 0 0 24px rgba(245, 166, 35, 0.55),
              0 0 48px rgba(245, 166, 35, 0.25) !important;
  transform: translateY(-1px) !important;
}

/* ── Pipeline visualizer ───────────────────────────────────────────────── */
.pipeline-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  padding: 1rem 0;
}

.pipeline-node {
  width: 44px;
  height: 50px;
  background: #1E222B;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  transition: background 0.4s ease, box-shadow 0.4s ease;
  flex-shrink: 0;
}

.pipeline-node.active {
  background: var(--accent-amber);
  animation: pulse-amber 1.6s ease-in-out infinite;
}

.pipeline-node.done {
  background: var(--accent-teal);
  animation: none;
}

.pipeline-connector {
  width: 24px;
  height: 2px;
  background: #1E222B;
  flex-shrink: 0;
  transition: background 0.4s ease;
}

.pipeline-connector.done {
  background: var(--accent-teal);
}

.pipeline-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 0.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Pulse animation ───────────────────────────────────────────────────── */
@keyframes pulse-amber {
  0%   { box-shadow: 0 0 0px  rgba(245, 166, 35, 0); }
  50%  { box-shadow: 0 0 20px rgba(245, 166, 35, 0.75); }
  100% { box-shadow: 0 0 0px  rgba(245, 166, 35, 0); }
}

/* ── Log area ──────────────────────────────────────────────────────────── */
.log-area textarea {
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.8rem !important;
  color: var(--accent-amber) !important;
  background: #0A0C0F !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: 6px !important;
  resize: vertical !important;
}

/* ── Studio footer ─────────────────────────────────────────────────────── */
.studio-footer {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  padding: 1.5rem 1rem 2rem;
}

.studio-footer a {
  color: var(--accent-amber);
  text-decoration: none;
}

.studio-footer a:hover {
  text-decoration: underline;
}
"""


# ---------------------------------------------------------------------------
# Theme class
# ---------------------------------------------------------------------------

class MazingerTheme(gr.themes.Base):
    """
    Cinematic dark Gradio theme for Mazinger Dubber.
    Primary accent: amber (#F5A623).
    Secondary accent: teal (#2DD4BF).
    Neutral: dark studio grays.
    """

    def __init__(self, **kwargs):
        super().__init__(
            primary_hue=amber,
            secondary_hue=teal,
            neutral_hue=studio_gray,
            font=["IBM Plex Sans", "sans-serif"],
            font_mono=["JetBrains Mono", "monospace"],
            **kwargs,
        )

        # Surface / background overrides
        self.set(
            body_background_fill="*neutral_900",          # --bg-deep  (#0D0F12)
            body_background_fill_dark="*neutral_900",
            background_fill_primary="*neutral_800",       # --bg-surface (#161A21)
            background_fill_primary_dark="*neutral_800",
            background_fill_secondary="*neutral_900",
            background_fill_secondary_dark="*neutral_900",

            # Border
            border_color_primary="rgba(255,255,255,0.06)",
            border_color_primary_dark="rgba(255,255,255,0.06)",

            # Text
            body_text_color="*neutral_50",                # #E8E8ED
            body_text_color_dark="*neutral_50",
            body_text_color_subdued="*neutral_300",       # #8B8D97-ish
            body_text_color_subdued_dark="*neutral_300",

            # Buttons — primary
            button_primary_background_fill="*primary_500",
            button_primary_background_fill_dark="*primary_500",
            button_primary_background_fill_hover="*primary_400",
            button_primary_background_fill_hover_dark="*primary_400",
            button_primary_text_color="*neutral_950",
            button_primary_text_color_dark="*neutral_950",

            # Buttons — secondary
            button_secondary_background_fill="*neutral_700",
            button_secondary_background_fill_dark="*neutral_700",
            button_secondary_text_color="*neutral_50",
            button_secondary_text_color_dark="*neutral_50",

            # Inputs
            input_background_fill="*neutral_900",
            input_background_fill_dark="*neutral_900",
            input_border_color="rgba(255,255,255,0.06)",
            input_border_color_dark="rgba(255,255,255,0.06)",
            input_border_color_focus="*primary_500",
            input_border_color_focus_dark="*primary_500",
            input_placeholder_color="*neutral_300",
            input_placeholder_color_dark="*neutral_300",

            # Block labels
            block_label_text_color="*neutral_300",
            block_label_text_color_dark="*neutral_300",
            block_title_text_color="*neutral_50",
            block_title_text_color_dark="*neutral_50",

            # Radius
            block_radius="12px",
            button_large_radius="8px",
            input_radius="6px",

            # Shadow
            block_shadow="0 2px 12px rgba(0,0,0,0.45)",
            block_shadow_dark="0 2px 12px rgba(0,0,0,0.65)",
        )