import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';

/// Tokens de marque ETM PowerSync.
/// Source de vérité unique pour les couleurs et la typographie.
class EtmTokens {
  EtmTokens._();

  // ---- Couleurs de marque ----
  static const Color navy  = Color(0xFF0D2B3B);
  static const Color navy2 = Color(0xFF10384C);
  static const Color blue  = Color(0xFF31A3DD);
  static const Color amber = Color(0xFFFEC113);
  static const Color green = Color(0xFF1DB86A);
  static const Color greenDark = Color(0xFF159C58);
  static const Color orange = Color(0xFFE8923A);
  static const Color danger = Color(0xFFE8423F);

  // ---- Neutres ----
  static const Color ink   = navy;
  static const Color muted = Color(0xFF6B7D88);
  static const Color faint = Color(0xFF9AABB4);
  static const Color line  = Color(0xFFE6ECF0);
  static const Color bg    = Color(0xFFF3F6F8);
  static const Color card  = Colors.white;

  // ---- Soft ----
  static const Color greenSoft = Color(0xFFE7F8EF);
  static const Color blueSoft  = Color(0xFFE9F5FB);
  static const Color amberSoft = Color(0xFFFFF6DD);

  // ---- Rayons ----
  static const double radius   = 16;
  static const double radiusLg = 22;

  // ---- Typographie ----
  static TextStyle sans({
    double size = 14,
    FontWeight weight = FontWeight.w400,
    Color color = ink,
    double? height,
    double? letterSpacing,
  }) =>
      GoogleFonts.ibmPlexSans(
        fontSize: size,
        fontWeight: weight,
        color: color,
        height: height,
        letterSpacing: letterSpacing,
      );

  /// IBM Plex Mono pour TOUS les chiffres (alignement tabulaire).
  static TextStyle mono({
    double size = 14,
    FontWeight weight = FontWeight.w600,
    Color color = ink,
  }) =>
      GoogleFonts.ibmPlexMono(
        fontSize: size,
        fontWeight: weight,
        color: color,
        fontFeatures: const [FontFeature.tabularFigures()],
      );

  static TextStyle sectionLabel() => sans(
        size: 12,
        weight: FontWeight.w600,
        color: faint,
        letterSpacing: 1.2,
      );

  /// Décoration shadow standard pour les cartes.
  static List<BoxShadow> get cardShadow => [
        BoxShadow(
          color: navy.withValues(alpha: 0.04),
          blurRadius: 2,
          offset: const Offset(0, 1),
        ),
        BoxShadow(
          color: navy.withValues(alpha: 0.06),
          blurRadius: 30,
          offset: const Offset(0, 10),
        ),
      ];
}