/* ===========================
   TOOLS PAGE STYLES
   =========================== */

:root {
    --primary-color: #6366f1;
    --secondary-color: #a855f7;
    --dark-navy: #0f172a;
    --light-gray: #f8fafc;
    --medium-gray: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --white: #ffffff;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    background-color: var(--light-gray);
    line-height: 1.6;
}

/* ===========================
   NAVIGATION
   =========================== */

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--medium-gray);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-navy);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.back-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.back-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* ===========================
   CONTAINER & LAYOUT
   =========================== */

.tool-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.tool-wrapper {
    background: var(--white);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 0.5rem;
}

.tool-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ===========================
   TOOL CONTENT
   =========================== */

.tool-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.tool-content.two-column {
    grid-template-columns: 1fr 1fr;
}

.tool-content.writing-tools {
    grid-template-columns: 1fr 1fr;
}

.input-section,
.output-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ===========================
   FORMS & INPUTS
   =========================== */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-navy);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem;
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-group small {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.form-row .form-group {
    gap: 0.5rem;
}

/* ===========================
   BUTTONS
   =========================== */

.btn-primary,
.btn-secondary {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--light-gray);
    color: var(--primary-color);
    border: 2px solid var(--medium-gray);
}

.btn-secondary:hover {
    background: white;
    border-color: var(--primary-color);
}

/* ===========================
   FILE UPLOAD
   =========================== */

.file-upload-zone {
    border: 2px dashed var(--medium-gray);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--light-gray);
}

.file-upload-zone:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.upload-content p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

/* ===========================
   PREVIEW & OUTPUT
   =========================== */

.qr-display {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
    background: var(--light-gray);
    border-radius: 12px;
    padding: 2rem;
}

.qr-display canvas {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.preview-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.preview-item {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.preview-item img,
.preview-item canvas {
    max-width: 100%;
    border-radius: 8px;
    margin-top: 1rem;
}

.size-info {
    margin-top: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stats-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(168, 85, 247, 0.05));
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.stat-row strong {
    color: var(--dark-navy);
}

.placeholder-text {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
}

.output-text {
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

/* ===========================
   RESUME PREVIEW
   =========================== */

.document-preview {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--medium-gray);
    min-height: 400px;
    max-height: 600px;
    overflow-y: auto;
}

.info-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(168, 85, 247, 0.05));
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--medium-gray);
    color: var(--text-secondary);
}

.info-box p {
    margin: 0;
    line-height: 1.6;
}

/* ===========================
   FEATURES SECTION
   =========================== */

.features-section {
    background: linear-gradient(135deg, var(--light-gray), white);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.features-section h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.3rem;
    color: var(--dark-navy);
    margin-bottom: 1rem;
}

.features-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.features-list li {
    color: var(--text-secondary);
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ===========================
   TOOL DESCRIPTION
   =========================== */

.tool-description {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.description-text {
    color: var(--text-secondary);
    margin: 0;
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

@media (max-width: 768px) {
    .tool-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tool-wrapper {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .preview-container {
        grid-template-columns: 1fr;
    }

    .tool-header h1 {
        font-size: 1.5rem;
    }

    .features-list {
        grid-template-columns: 1fr;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .tool-container {
        padding: 1.5rem 1rem;
    }

    .tool-wrapper {
        padding: 1rem;
        border-radius: 12px;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .back-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .tool-header h1 {
        font-size: 1.25rem;
    }

    .tool-content {
        gap: 1rem;
    }

    .qr-display {
        min-height: 250px;
    }

    .file-upload-zone {
        padding: 1.5rem 1rem;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}