@font-face {
            font-family: 'Francine';
            src: url('../assets/fonts/francine.ttf') format('truetype');
        }
        @font-face {
            font-family: 'GetBrains';
            src: url('../assets/fonts/getbrains_regular.ttf') format('truetype');
        }

        :root {
            --color-bg: #000000;
            --color-bg-secondary: #0a0a0a;
            --color-bg-tertiary: #141414;
            --color-primary: #C21807;
            --color-primary-dark: #8B1106;
            --color-text: #ffffff;
            --color-text-secondary: #a0a0a0;
            --color-text-muted: #666666;
            --color-success: #22c55e;
            --color-error: #ef4444;
            --color-border: #1f1f1f;
            
            --font-primary: 'Inter', sans-serif;
            --font-francine: 'Francine', sans-serif;
            --font-getbrains: 'GetBrains', sans-serif;
            
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 9999px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        html, body {
            height: 100%;
            overflow: hidden;
        }

        body {
            font-family: var(--font-primary);
            background: var(--color-bg);
            color: var(--color-text);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        /* Background animado */
        .bg-gradient {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 50% 0%, rgba(194, 24, 7, 0.15) 0%, transparent 50%),
                        radial-gradient(ellipse at 80% 80%, rgba(194, 24, 7, 0.1) 0%, transparent 40%);
            z-index: 0;
            pointer-events: none;
        }

        .login-container {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 380px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 30px;
        }

        /* Logo */
        .logo-section {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }

        .logo-icon {
            width: 100px;
            height: 100px;
            animation: logoPulse 3s ease-in-out infinite;
        }

        .logo-icon img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        @keyframes logoPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .logo-text {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }


        .logo-text .sensi {
            font-family: var(--font-getbrains);
            font-size: 24px;
            color: var(--color-text);
            letter-spacing: 2px;
        }

        .logo-text .bot {
            margin: 0px 5px;
            font-family: var(--font-francine);
            font-size: 48px;
            color: var(--color-primary);
        }

        .logo-subtitle {
            font-size: 15px;
            color: #DACDBC;
            text-align: center;
        }

        /* Form */
        .login-form {
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .input-group {
            position: relative;
        }

        .input-group i {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-muted);
            font-size: 18px;
            transition: color 0.3s ease;
        }

        .input-group input {
            width: 100%;
            padding: 16px 16px 16px 50px;
            background: var(--color-bg-tertiary);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-lg);
            color: var(--color-text);
            font-family: var(--font-primary);
            font-size: 15px;
            outline: none;
            transition: all 0.3s ease;
        }

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

        .input-group input:focus {
            border-color: var(--color-primary);
        }

        .input-group input:focus + i,
        .input-group input:focus ~ i {
            color: var(--color-primary);
        }

        .input-group.error input {
            border-color: var(--color-error);
        }

        .input-group .toggle-password {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--color-text-muted);
            cursor: pointer;
            font-size: 18px;
            padding: 5px;
        }

        .error-message {
            color: var(--color-error);
            font-size: 12px;
            margin-top: 6px;
            display: none;
        }

        .input-group.error .error-message {
            display: block;
        }

        /* Botão de Login */
        .login-btn {
            width: 100%;
            padding: 16px;
            background: var(--color-primary);
            border: none;
            border-radius: var(--radius-lg);
            color: white;
            font-family:  var(--font-francine);
            font-size: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            position: relative;
            overflow: hidden;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .login-btn:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(194, 24, 7, 0.4);
        }

        .login-btn:active:not(:disabled) {
            transform: translateY(0);
        }

        .login-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }

        .login-btn .btn-text {
            transition: opacity 0.3s ease;
        }

        .login-btn.loading .btn-text {
            opacity: 0;
        }

        .login-btn .spinner {
            position: absolute;
            width: 24px;
            height: 24px;
            border: 3px solid rgba(255,255,255,0.3);
            border-top-color: white;
            border-radius: 50%;
            opacity: 0;
            animation: none;
        }

        .login-btn.loading .spinner {
            opacity: 1;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Divisor */
        .divider {
            display: flex;
            align-items: center;
            gap: 15px;
            width: 100%;
            color: var(--color-text-muted);
            font-size: 13px;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--color-border);
        }

        /* Registro */
        .register-link {
            text-align: center;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .register-link a {
            color: var(--color-primary);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }

        .register-link a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        /* Seletor de Idioma */
        .language-selector {
            position: absolute;
            top: 20px;
            right: 20px;
            z-index: 10;
        }

        .lang-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .lang-btn:hover {
            border-color: var(--color-primary);
        }

        .lang-btn img {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            object-fit: cover;
        }

        .lang-btn span {
            color: var(--color-text);
            font-size: 13px;
            font-weight: 500;
        }

        .lang-dropdown {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            min-width: 150px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.5);
        }

        .lang-dropdown.active {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .lang-option {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .lang-option:hover {
            background: var(--color-bg-secondary);
        }

        .lang-option.active {
            background: rgba(194, 24, 7, 0.1);
        }

        .lang-option img {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
        }

        .lang-option span {
            color: var(--color-text);
            font-size: 14px;
        }

        /* Toast */
        .toast {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            padding: 14px 24px;
            border-radius: var(--radius-full);
            font-size: 14px;
            z-index: 9999;
            opacity: 0;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .toast.error {
            border-color: var(--color-error);
        }

        .toast.error i {
            color: var(--color-error);
        }

        .toast.success {
            border-color: var(--color-success);
        }

        .toast.success i {
            color: var(--color-success);
        }

        .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        /* Stats */
        .stats {
            display: flex;
            gap: 20px;
            margin-top: 10px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .stat-label {
            font-size: 11px;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }