/* ==========================================================================
   PromptLab AI - Design System and Base Styles
   ========================================================================== */

:root {
    --bg-primary: #0B0F19;
    --bg-secondary: #070A10;
    --card-bg: rgba(17, 24, 39, 0.65);
    --card-bg-hover: rgba(24, 33, 53, 0.8);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-active: rgba(139, 92, 246, 0.4);
    
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    --color-violet: #8B5CF6;
    --color-violet-hover: #7C3AED;
    --color-cyan: #06B6D4;
    --color-cyan-hover: #0891B2;
    --color-emerald: #10B981;
    --color-red: #EF4444;
    
    --glow-violet: rgba(139, 92, 246, 0.3);
    --glow-cyan: rgba(6, 182, 212, 0.3);
    
    --font-primary: 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    --container-width: 1200px;
    --header-height: 80px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Glowing Elements */
.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -2;
    pointer-events: none;
    opacity: 0.25;
    animation: pulse-glow 15s ease-in-out infinite alternate;
}

.bg-glow-1 {
    top: -100px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: var(--color-violet);
}

.bg-glow-2 {
    top: 40%;
    right: -200px;
    width: 700px;
    height: 700px;
    background: var(--color-cyan);
    animation-delay: -5s;
}

.bg-glow-3 {
    bottom: -100px;
    left: 10%;
    width: 600px;
    height: 600px;
    background: var(--color-violet);
    animation-delay: -10s;
}

/* Containers */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sections */
section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #FFF 30%, #D1D5DB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 400;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   Navigation Header Styles
   ========================================================================== */

.header {
    height: var(--header-height);
    background: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.5rem;
    gap: 0.5rem;
    letter-spacing: -0.02em;
}

.logo-icon {
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px var(--glow-cyan));
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-violet));
    transition: var(--transition-smooth);
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 100%;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-bounce);
    border: none;
}

.btn-nav {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0.5rem 1.25rem;
}

.btn-nav:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
    color: #FFF;
    padding: 0.8rem 1.75rem;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.25);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-cyan-hover), var(--color-violet-hover));
    z-index: -1;
    opacity: 0;
    transition: var(--transition-smooth);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.45);
}

.btn-large {
    padding: 1rem 2.25rem;
    font-size: 1.1rem;
    border-radius: 12px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 0.8rem 1.75rem;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ==========================================================================
   Hero Section Styles
   ========================================================================== */

.hero-section {
    padding-top: calc(var(--header-height) + 4rem);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    padding: 0.35rem 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.05);
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: #C084FC;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-violet);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px var(--color-violet);
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-violet) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 10px rgba(6, 182, 212, 0.15));
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* Hero CSS-Only Illustration */
.hero-illustration {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 450px;
    width: 100%;
}

.illustration-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.main-terminal {
    width: 85%;
    height: 270px;
    position: absolute;
    top: 50px;
    left: 0;
    font-family: 'Consolas', 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
}

.terminal-header {
    background: rgba(15, 23, 42, 0.8);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--card-border);
}

.terminal-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.dot.red { background-color: #EF4444; }
.dot.yellow { background-color: #F59E0B; }
.dot.green { background-color: #10B981; }

.terminal-title {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-left: auto;
    font-weight: 500;
}

.terminal-body {
    padding: 1.25rem;
    color: var(--text-primary);
    background: rgba(10, 15, 26, 0.4);
    height: calc(100% - 35px);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.4rem;
}

.terminal-body .line {
    white-space: nowrap;
}

.terminal-body .indent {
    padding-left: 1.5rem;
}

.keyword { color: #C084FC; }
.class-name { color: #60A5FA; }
.method { color: #34D399; }
.property { color: #F472B6; }
.string { color: #FB7185; }

.cursor {
    display: inline-block;
    animation: blink 1s step-end infinite;
    color: var(--color-cyan);
    font-weight: bold;
}

.floating-card-1 {
    width: 180px;
    padding: 1rem;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    position: absolute;
    bottom: 40px;
    right: 0;
    z-index: 3;
    animation: float 6s ease-in-out infinite alternate;
    animation-delay: -2s;
}

.floating-card-2 {
    width: 200px;
    padding: 1rem;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    position: absolute;
    top: 0;
    right: 20px;
    z-index: 3;
    animation: float 6s ease-in-out infinite alternate;
    animation-delay: -4s;
}

.status-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.status-details {
    display: flex;
    flex-direction: column;
}

.status-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-value {
    font-size: 0.85rem;
    font-weight: 700;
}

.text-cyan { color: var(--color-cyan); }
.text-violet { color: var(--color-violet); }
.text-emerald { color: var(--color-emerald); }

/* Decorative connections in background */
.connector-line {
    position: absolute;
    background: linear-gradient(90deg, rgba(6, 182, 212, 0.3), rgba(139, 92, 246, 0.3));
    z-index: 1;
}

.line-1 {
    width: 150px;
    height: 2px;
    top: 150px;
    right: 100px;
    transform: rotate(25deg);
}

.line-2 {
    width: 120px;
    height: 2px;
    bottom: 120px;
    left: 200px;
    transform: rotate(-15deg);
}

.glow-node {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-cyan);
    box-shadow: 0 0 10px var(--color-cyan);
    z-index: 1;
}

.node-1 {
    top: 130px;
    right: 230px;
    animation: pulse-node 2s infinite;
}

.node-2 {
    bottom: 140px;
    left: 200px;
    animation: pulse-node 2s infinite;
    animation-delay: 1s;
}

/* ==========================================================================
   Workflow Section Styles
   ========================================================================== */

.workflow-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.workflow-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2.25rem 1.75rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

.workflow-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-violet));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

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

.workflow-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.12);
}

.workflow-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--color-cyan);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.workflow-card:hover .workflow-icon-wrapper {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--text-primary);
    transform: scale(1.05);
}

.workflow-step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.workflow-step-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.workflow-step-badge {
    margin-top: auto;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.25rem 0.75rem;
    border-radius: 10px;
}

/* ==========================================================================
   Generator / Form Section
   ========================================================================== */

.form-container {
    max-width: 850px;
    margin: 0 auto;
    padding: 3rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

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

.full-width {
    grid-column: span 2;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.input-wrapper {
    position: relative;
    width: 100%;
}

.input-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    background: rgba(10, 15, 26, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input {
    padding: 0.85rem 1rem 0.85rem 2.75rem;
}

.form-select {
    padding: 0.85rem 2rem 0.85rem 2.75rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239CA3AF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
}

.form-textarea {
    padding: 1rem;
    min-height: 120px;
    resize: vertical;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    background: rgba(10, 15, 26, 0.7);
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15);
}

.form-input:focus + .input-icon, .form-select:focus + .input-icon {
    color: var(--color-cyan);
}

/* Form Validation Styling */
.form-group.invalid .form-input,
.form-group.invalid .form-select,
.form-group.invalid .form-textarea {
    border-color: var(--color-red);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

.error-msg {
    color: #F87171;
    font-size: 0.8rem;
    margin-top: 0.25rem;
    display: none;
    font-weight: 500;
}

.form-group.invalid .error-msg {
    display: block;
}

.form-actions {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
    gap: 1.25rem;
}

.btn-submit, .btn-clear {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
    width: 100%;
    border-radius: 12px;
}

.btn-submit {
    max-width: 320px;
}

.btn-clear {
    max-width: 200px;
}

/* ==========================================================================
   Loading State Styles
   ========================================================================== */

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 5rem;
    text-align: center;
    padding: 3rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px dashed var(--card-border);
}

.spinner-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
}

.loading-spinner {
    box-sizing: border-box;
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--color-cyan);
    border-left-color: var(--color-violet);
    border-radius: 50%;
    animation: rotate 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loading-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, var(--color-cyan) 0%, rgba(139, 92, 246, 0.4) 100%);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

.loading-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

/* ==========================================================================
   Prompt Kit Result Section
   ========================================================================== */

.prompt-kit-section {
    margin-top: 5rem;
    scroll-margin-top: calc(var(--header-height) + 2rem);
}

.kit-header {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 20px 20px 0 0;
    border-bottom: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.kit-header-info {
    display: flex;
    flex-direction: column;
}

.kit-header-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.kit-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.kit-meta {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.badge-diff {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    background: rgba(6, 182, 212, 0.15);
    color: #22D3EE;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.prompt-cards-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: rgba(17, 24, 39, 0.3);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 0 0 20px 20px;
}

/* Individual Prompt Cards */
.prompt-card {
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.prompt-card-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    user-select: none;
}

.prompt-card-header:hover {
    background: rgba(255, 255, 255, 0.04);
}

.prompt-card-title-block {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.prompt-card-title-block i {
    font-size: 1.25rem;
}

.icon-planning { color: var(--color-cyan); }
.icon-development { color: var(--color-violet); }
.icon-improvement { color: #EAB308; }
.icon-deployment { color: var(--color-emerald); }

.title-details {
    display: flex;
    flex-direction: column;
}

.card-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.prompt-card-title-block h4 {
    font-size: 1.15rem;
    font-weight: 700;
}

.prompt-card-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    transform: scale(1.05);
}

.btn-toggle i {
    transition: transform 0.3s ease;
}

/* Accordion Collapsing Mechanics */
.prompt-card-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(10, 15, 26, 0.2);
}

.prompt-card-body.expanded {
    max-height: 1200px; /* Big enough fallback */
}

.prompt-card.open .btn-toggle i {
    transform: rotate(180deg);
}

.prompt-purpose {
    padding: 1.25rem 1.75rem 0.5rem 1.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.prompt-content-wrapper {
    padding: 1rem 1.75rem 1.75rem 1.75rem;
}

.prompt-content-code {
    background: rgba(8, 11, 16, 0.85);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1.25rem;
    overflow-x: auto;
    font-family: 'Consolas', 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #E2E8F0;
    white-space: pre-wrap;
}

/* Stagger Animation Utility Classes */
.stagger-reveal {
    animation: fade-in-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ==========================================================================
   History Section Styles
   ========================================================================== */

.disclaimer-alert {
    background: rgba(6, 182, 212, 0.05);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.disclaimer-icon {
    font-size: 1.3rem;
    color: var(--color-cyan);
}

.disclaimer-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.disclaimer-text strong {
    color: var(--text-primary);
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.history-card {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: var(--transition-bounce);
    position: relative;
}

.history-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-border-active);
    box-shadow: 0 12px 30px rgba(139, 92, 246, 0.15);
}

.history-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.history-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

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

.history-card-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.stack-tag {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
}

.history-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.history-card-meta i {
    color: var(--color-cyan);
}

.history-card-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: auto;
}

.history-card-actions .btn {
    flex: 1;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
}

.btn-view-history {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: #22D3EE;
}

.btn-view-history:hover {
    background: var(--color-cyan);
    color: #FFF;
}

.btn-delete-history {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #F87171;
}

.btn-delete-history:hover {
    background: var(--color-red);
    color: #FFF;
}

/* History Card Exit Animation */
.history-card-exit {
    transform: scale(0.9) translateY(20px) !important;
    opacity: 0 !important;
    transition: var(--transition-smooth) !important;
}

/* ==========================================================================
   About Section Styles
   ========================================================================== */

.about-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-card {
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
}

.about-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   Footer Styles
   ========================================================================== */

.footer {
    padding: 4rem 0 2rem 0;
    border-top: 1px solid var(--card-border);
    background: #07090F;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    font-weight: 800;
    font-size: 1.5rem;
}

.footer-desc {
    color: var(--text-secondary);
    max-width: 400px;
    font-size: 0.9rem;
}

.footer-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
}

.footer-powered {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}


.footer-copyright {
    grid-column: span 2;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 2rem;
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ==========================================================================
   Toast Notifications System
   ========================================================================== */

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border-active);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: var(--transition-bounce);
    transform: translateY(0);
}

.toast.hidden {
    opacity: 0;
    transform: translateY(100px);
    pointer-events: none;
}

/* ==========================================================================
   Animations Keyframes
   ========================================================================== */

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes blink {
    from, to { color: transparent; }
    50% { color: var(--color-cyan); }
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.5; }
}

@keyframes pulse-node {
    0% { transform: scale(1); opacity: 0.8; box-shadow: 0 0 10px var(--color-cyan); }
    50% { transform: scale(1.4); opacity: 1; box-shadow: 0 0 20px var(--color-cyan); }
    100% { transform: scale(1); opacity: 0.8; box-shadow: 0 0 10px var(--color-cyan); }
}

@keyframes pulse-glow {
    0% { transform: translate(0px, 0px) scale(1); }
    50% { transform: translate(50px, -50px) scale(1.1); }
    100% { transform: translate(-30px, 40px) scale(0.95); }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hidden {
    display: none !important;
}

/* Entrance Animations */
.animate-fade-in {
    opacity: 0;
    animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: fade-in-right-kf 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fade-in-right-kf {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Stagger delays */
.hero-content .animate-fade-in:nth-child(1) { animation-delay: 0.1s; }
.hero-content .animate-fade-in:nth-child(2) { animation-delay: 0.2s; }
.hero-content .animate-fade-in:nth-child(3) { animation-delay: 0.3s; }
.hero-content .animate-fade-in:nth-child(4) { animation-delay: 0.4s; }

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-illustration {
        height: 380px;
    }
    
    .workflow-grid, .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .history-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .header-container {
        position: relative;
    }
    .nav {
        display: none; /* Mobile navigation toggle can be integrated here */
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .full-width {
        grid-column: span 1;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-submit, .btn-clear {
        max-width: 100%;
    }
    
    .workflow-grid, .history-grid, .about-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-meta {
        align-items: center;
    }
    
    .footer-copyright {
        grid-column: span 1;
    }
    
    .toast {
        left: 1.5rem;
        right: 1.5rem;
        bottom: 1.5rem;
        justify-content: center;
    }
}