/* Reset e Configurações Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-modern: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-modern);
    min-height: 100vh;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navegação */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-slow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.02em;
    transition: var(--transition);
}

.nav-brand:hover {
    transform: translateY(-1px);
}

.nav-brand i {
    font-size: 1.8rem;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 8px;
    list-style: none;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 8px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 12px 20px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.8);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.nav-link.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.nav-link.active::after {
    display: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 20px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(6, 182, 212, 0.2) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 24px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.03em;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease-out;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.cta-button {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 18px 36px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out 0.4s both;
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Tools Section */
.tools-section {
    padding: 120px 20px;
    background: var(--bg-white);
    min-height: 100vh;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Tools Section */
.tools-section {
    padding: 100px 20px;
    background: var(--bg-white);
    min-height: 100vh;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 80px;
    color: var(--text-dark);
    position: relative;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--bg-gradient);
    border-radius: 2px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 80px;
}

.tool-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transition: var(--transition-slow);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(37, 99, 235, 0.2);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--bg-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(5deg);
}

.tool-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    letter-spacing: -0.01em;
}

.tool-card p {
    color: var(--text-light);
    margin-bottom: 28px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.tool-button {
    background: var(--bg-gradient);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.tool-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    opacity: 0;
    transition: var(--transition-slow);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: var(--bg-white);
    border-radius: 24px;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-slow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    background: var(--bg-gradient);
    color: white;
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.modal-body {
    padding: 32px;
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* Footer */
footer {
    background: var(--text-dark);
    color: white;
    text-align: center;
    padding: 30px 20px;
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        flex-direction: column;
        padding: 50px 20px;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tool-card {
        padding: 25px;
    }

    .modal-content {
        width: 95%;
        margin: 20px;
    }

    .modal-body {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .tool-card {
        padding: 20px;
    }

    .tool-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* Estilos específicos das ferramentas */
.tool-input,
.tool-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.tool-input:focus,
.tool-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.tool-textarea {
    min-height: 150px;
    resize: vertical;
}

.tool-button-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tool-button-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tool-result {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    font-family: 'Courier New', monospace;
    word-break: break-all;
    max-height: 300px;
    overflow-y: auto;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.tool-form-group {
    margin-bottom: 20px;
}

.tool-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.tool-checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.tool-checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.tool-slider {
    width: 100%;
    margin: 10px 0;
}

.tool-slider-value {
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 5px;
}

.calculator-display {
    background: var(--text-dark);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: right;
    font-size: 2rem;
    font-family: 'Courier New', monospace;
    margin-bottom: 20px;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.calc-button {
    padding: 20px;
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-light);
    color: var(--text-dark);
}

.calc-button:hover {
    background: var(--primary-color);
    color: white;
}

.calc-button.operator {
    background: var(--primary-color);
    color: white;
}

.calc-button.equals {
    background: var(--secondary-color);
    color: white;
    grid-column: span 2;
}

.calc-button.clear {
    background: #e53e3e;
    color: white;
}

.color-preview {
    width: 100%;
    height: 100px;
    border-radius: 8px;
    margin: 15px 0;
    border: 2px solid var(--border-color);
}

.qr-code-container {
    text-align: center;
    margin: 20px 0;
}

.qr-code-container canvas {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    max-width: 100%;
}

/* Seção de Sugestões */
.suggestions-section {
    padding: 120px 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.suggestions-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 80px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.suggestions-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.suggestion-form-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 48px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.suggestion-form-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.01em;
}

.suggestion-form-card h3 i {
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.submit-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.popular-suggestions {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.popular-suggestions h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.popular-suggestions h3 i {
    color: #f59e0b;
}

.suggestions-list {
    margin-bottom: 40px;
    max-height: 500px;
    overflow-y: auto;
}

.suggestion-item {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.suggestion-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.suggestion-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 10px;
}

.suggestion-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.suggestion-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.suggestion-description {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.5;
}

.suggestion-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.suggestion-votes {
    display: flex;
    align-items: center;
    gap: 15px;
}

.vote-button {
    background: none;
    border: 1px solid var(--border-color);
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
}

.vote-button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.vote-button.voted {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.suggestion-status {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 500;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.status-under-review {
    background: #dbeafe;
    color: #1e40af;
}

.status-implemented {
    background: #dcfce7;
    color: #166534;
}

.suggestion-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 12px;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-white);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 3000;
    max-width: 350px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.info {
    border-left: 4px solid #3b82f6;
}

.toast-icon {
    font-size: 1.2rem;
}

.toast.success .toast-icon {
    color: #10b981;
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.info .toast-icon {
    color: #3b82f6;
}

.toast-message {
    flex: 1;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 1.2rem;
}

/* Responsividade para Sugestões */
@media (max-width: 768px) {
    .suggestions-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .suggestion-form-card,
    .popular-suggestions {
        padding: 25px;
    }
    
    .suggestion-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .suggestion-actions {
        flex-direction: column;
        gap: 10px;
        align-items: start;
    }
    
    .suggestion-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .toast {
        right: 20px;
        left: 20px;
        max-width: none;
    }
}