/**
 * Tools Common CSS
 * Estilos compartilhados por todas as ferramentas
 */

/* =====================================================
   CSS Variables
   ===================================================== */
:root {
    /* Primary Colors */
    --tools-primary: #6366f1;
    --tools-primary-dark: #4f46e5;
    --tools-primary-light: #818cf8;

    /* Instagram Colors */
    --ig-pink: #E1306C;
    --ig-purple: #833AB4;
    --ig-blue: #405DE6;
    --ig-orange: #F77737;
    --ig-yellow: #FCAF45;

    /* Semantic Colors */
    --tools-success: #10b981;
    --tools-warning: #f59e0b;
    --tools-error: #ef4444;
    --tools-info: #0ea5e9;

    /* Neutral Colors */
    --tools-text: #1e293b;
    --tools-text-light: #64748b;
    --tools-text-muted: #94a3b8;
    --tools-border: #e2e8f0;
    --tools-bg: #ffffff;
    --tools-bg-secondary: #f8fafc;
    --tools-bg-tertiary: #f1f5f9;

    /* Shadows */
    --tools-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --tools-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --tools-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --tools-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --tools-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Border Radius */
    --tools-radius-sm: 0.375rem;
    --tools-radius: 0.5rem;
    --tools-radius-md: 0.625rem;
    --tools-radius-lg: 0.75rem;
    --tools-radius-xl: 1rem;
    --tools-radius-2xl: 1.5rem;
    --tools-radius-full: 9999px;

    /* Transitions */
    --tools-transition: 0.2s ease;
    --tools-transition-slow: 0.3s ease;
}

/* =====================================================
   Base Reset
   ===================================================== */
.tools-page * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.tools-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--tools-text);
    line-height: 1.6;
    background: var(--tools-bg-secondary);
}

/* =====================================================
   Tools Navigation Bar
   ===================================================== */
.tools-nav {
    background: var(--tools-bg);
    border-bottom: 1px solid var(--tools-border);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--tools-shadow-sm);
}

.tools-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tools-nav-container::-webkit-scrollbar {
    display: none;
}

.tools-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--tools-bg-tertiary);
    border-radius: var(--tools-radius-full);
    text-decoration: none;
    color: var(--tools-text-light);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all var(--tools-transition);
    border: 1px solid transparent;
}

.tools-nav-link:hover {
    background: var(--tools-primary);
    color: white;
    border-color: var(--tools-primary);
}

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

.tools-nav-link svg {
    flex-shrink: 0;
}

/* =====================================================
   Container
   ===================================================== */
.tools-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.tools-container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 1rem;
}

.tools-container-md {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* =====================================================
   Hero Section
   ===================================================== */
.tools-hero {
    background: linear-gradient(135deg, var(--ig-blue) 0%, var(--ig-purple) 50%, var(--ig-pink) 100%);
    padding: 4rem 0 6rem;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tools-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.tools-hero-content {
    position: relative;
    z-index: 2;
}

.tools-hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: var(--tools-radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tools-hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.tools-hero-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* =====================================================
   Form Styles
   ===================================================== */
.tools-form {
    background: var(--tools-bg);
    border-radius: var(--tools-radius-xl);
    padding: 2rem;
    box-shadow: var(--tools-shadow-xl);
    margin-top: -3rem;
    position: relative;
    z-index: 10;
}

.tools-form-group {
    margin-bottom: 1.5rem;
}

.tools-label {
    display: block;
    font-weight: 600;
    color: var(--tools-text);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.tools-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--tools-border);
    border-radius: var(--tools-radius-lg);
    font-size: 1rem;
    transition: all var(--tools-transition);
    background: var(--tools-bg-secondary);
    color: var(--tools-text);
}

.tools-input:focus {
    outline: none;
    border-color: var(--tools-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: var(--tools-bg);
}

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

/* =====================================================
   Button Styles
   ===================================================== */
.tools-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--tools-radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--tools-transition);
    text-decoration: none;
}

.tools-btn-primary {
    background: linear-gradient(135deg, var(--tools-primary), var(--tools-primary-dark));
    color: white;
}

.tools-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--tools-shadow-lg);
}

.tools-btn-primary:active {
    transform: translateY(0);
}

.tools-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.tools-btn-secondary {
    background: var(--tools-bg-tertiary);
    color: var(--tools-text);
}

.tools-btn-secondary:hover {
    background: var(--tools-border);
}

.tools-btn-success {
    background: var(--tools-success);
    color: white;
}

.tools-btn-success:hover {
    background: #059669;
}

.tools-btn-block {
    width: 100%;
}

/* =====================================================
   Card Styles
   ===================================================== */
.tools-card {
    background: var(--tools-bg);
    border-radius: var(--tools-radius-xl);
    overflow: hidden;
    box-shadow: var(--tools-shadow-md);
    transition: all var(--tools-transition-slow);
}

.tools-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tools-shadow-xl);
}

.tools-card-body {
    padding: 1.5rem;
}

.tools-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tools-text);
    margin-bottom: 0.75rem;
}

.tools-card-description {
    font-size: 0.9375rem;
    color: var(--tools-text-light);
    line-height: 1.6;
}

/* =====================================================
   Section Styles
   ===================================================== */
.tools-section {
    padding: 4rem 0;
}

.tools-section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    color: var(--tools-text);
    margin-bottom: 2rem;
}

.tools-section-subtitle {
    text-align: center;
    color: var(--tools-text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: -1rem auto 2rem;
}

/* =====================================================
   FAQ Styles
   ===================================================== */
.tools-faq {
    padding: 4rem 0;
    background: var(--tools-bg-secondary);
}

.tools-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.tools-faq-item {
    background: var(--tools-bg);
    border-radius: var(--tools-radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--tools-shadow-sm);
}

.tools-faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--tools-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--tools-transition);
}

.tools-faq-question:hover {
    background: var(--tools-bg-secondary);
}

.tools-faq-icon {
    width: 24px;
    height: 24px;
    background: var(--tools-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
    line-height: 1;
    transition: transform var(--tools-transition-slow);
    flex-shrink: 0;
}

.tools-faq-question.active .tools-faq-icon {
    transform: rotate(45deg);
}

.tools-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--tools-transition-slow);
}

.tools-faq-answer.active {
    max-height: 300px;
}

.tools-faq-answer-content {
    padding: 0 1.5rem 1.25rem;
    color: var(--tools-text-light);
    line-height: 1.7;
}

/* =====================================================
   CTA Section
   ===================================================== */
.tools-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--tools-primary), var(--tools-primary-dark));
    text-align: center;
    color: white;
}

.tools-cta-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.tools-cta-description {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 500px;
    margin: 0 auto 2rem;
}

.tools-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    color: var(--tools-primary);
    padding: 1rem 2rem;
    border-radius: var(--tools-radius-lg);
    text-decoration: none;
    font-weight: 700;
    transition: all var(--tools-transition);
}

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

/* =====================================================
   Toast Notifications
   ===================================================== */
.tools-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    background: var(--tools-text);
    color: white;
    border-radius: var(--tools-radius-lg);
    font-weight: 500;
    z-index: 10000;
    transform: translateX(120%);
    transition: transform var(--tools-transition-slow);
    box-shadow: var(--tools-shadow-xl);
}

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

.tools-toast.success {
    background: var(--tools-success);
}

.tools-toast.error {
    background: var(--tools-error);
}

.tools-toast.warning {
    background: var(--tools-warning);
}

/* =====================================================
   Loading States
   ===================================================== */
.tools-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: tools-spin 1s linear infinite;
    display: inline-block;
}

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

.tools-skeleton {
    background: linear-gradient(90deg, var(--tools-bg-tertiary) 25%, var(--tools-border) 50%, var(--tools-bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: tools-skeleton 1.5s ease-in-out infinite;
    border-radius: var(--tools-radius);
}

@keyframes tools-skeleton {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* =====================================================
   Grid System
   ===================================================== */
.tools-grid {
    display: grid;
    gap: 1.5rem;
}

.tools-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.tools-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.tools-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.tools-grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* =====================================================
   Utility Classes
   ===================================================== */
.tools-hidden {
    display: none !important;
}

.tools-text-center {
    text-align: center;
}

.tools-text-muted {
    color: var(--tools-text-light);
}

.tools-mb-1 { margin-bottom: 0.5rem; }
.tools-mb-2 { margin-bottom: 1rem; }
.tools-mb-3 { margin-bottom: 1.5rem; }
.tools-mb-4 { margin-bottom: 2rem; }

.tools-mt-1 { margin-top: 0.5rem; }
.tools-mt-2 { margin-top: 1rem; }
.tools-mt-3 { margin-top: 1.5rem; }
.tools-mt-4 { margin-top: 2rem; }

/* =====================================================
   Download History
   ===================================================== */
.tools-history {
    background: var(--tools-bg);
    border-radius: var(--tools-radius-lg);
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: var(--tools-shadow);
}

.tools-history-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tools-text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tools-history-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tools-history-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: var(--tools-radius);
    transition: background var(--tools-transition);
    cursor: pointer;
}

.tools-history-item:hover {
    background: var(--tools-bg-secondary);
}

.tools-history-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--tools-radius);
    object-fit: cover;
    background: var(--tools-bg-tertiary);
}

.tools-history-info {
    flex: 1;
    min-width: 0;
}

.tools-history-username {
    font-weight: 600;
    color: var(--tools-text);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tools-history-date {
    font-size: 0.75rem;
    color: var(--tools-text-muted);
}

.tools-history-empty {
    text-align: center;
    padding: 2rem;
    color: var(--tools-text-muted);
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 768px) {
    .tools-hero {
        padding: 3rem 0 5rem;
    }

    .tools-hero-title {
        font-size: 1.75rem;
    }

    .tools-form {
        margin: -2rem 1rem 0;
        padding: 1.5rem;
    }

    .tools-section {
        padding: 3rem 0;
    }

    .tools-section-title {
        font-size: 1.5rem;
    }

    .tools-grid-2,
    .tools-grid-3,
    .tools-grid-4 {
        grid-template-columns: 1fr;
    }

    .tools-toast {
        bottom: 10px;
        right: 10px;
        left: 10px;
        transform: translateY(120%);
    }

    .tools-toast.show {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .tools-nav-link span {
        display: none;
    }

    .tools-btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }
}

/* =====================================================
   Dark Mode Support (Future)
   ===================================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --tools-text: #f1f5f9;
        --tools-text-light: #94a3b8;
        --tools-text-muted: #64748b;
        --tools-border: #334155;
        --tools-bg: #1e293b;
        --tools-bg-secondary: #0f172a;
        --tools-bg-tertiary: #1e293b;
    }
}

/* =====================================================
   Animations
   ===================================================== */
@keyframes tools-fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tools-fade-in {
    animation: tools-fadeIn 0.3s ease-out;
}

@keyframes tools-slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tools-slide-up {
    animation: tools-slideUp 0.4s ease-out;
}

/* =====================================================
   Print Styles
   ===================================================== */
@media print {
    .tools-nav,
    .tools-cta,
    .tools-toast,
    .tools-history {
        display: none !important;
    }
}