/* ==========================================================================
   DESIGN SYSTEM - CORE & COMPONENTS
   Fichier : da.css
   ========================================================================== */

/* 1. IMPORTS & RESET */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Rajdhani:wght@500;600;700&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--color-bg-deep);
    color: var(--color-text);
    font-family: var(--font-mono);
    overflow-x: hidden;
}

/* 2. TYPOGRAPHIE & UTILS */
h1, h2, h3, .da-title, .da-section-title {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0;
    color: #fff;
}

.text-primary { color: var(--color-primary); text-shadow: var(--glow-text); }
.text-secondary { color: var(--color-secondary); text-shadow: 0 0 5px var(--color-secondary-dim); }
.text-muted { color: var(--color-text-muted); }
.font-mono { font-family: var(--font-mono); }

.da-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.da-centered-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    z-index: 10;
}

/* ==========================================================================
   3. COMPOSANTS SYSTEME (Login, Inputs, Boutons)
   ========================================================================== */

/* PANEL GENÉRIQUE (Base pour cartes login et contenu) */
.da-panel, .da-login-card {
    background: var(--color-bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    box-shadow: var(--glow-box);
    position: relative;
    clip-path: polygon(
        var(--corner-clip) 0, 
        100% 0, 
        100% calc(100% - var(--corner-clip)), 
        calc(100% - var(--corner-clip)) 100%, 
        0 100%, 
        0 var(--corner-clip)
    );
    transition: all var(--transition-slow);
}

.da-login-card {
    width: 100%;
    max-width: 450px;
    padding: 2.5rem;
}

/* INPUTS */
.da-input-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.da-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.da-input, .cyber-input {
    width: 100%;
    background: var(--color-bg-input);
    border: 1px solid #333;
    color: var(--color-primary);
    font-family: var(--font-mono);
    padding: 1rem;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    outline: none;
}

.da-input:focus, .cyber-input:focus {
    border-color: var(--color-primary);
    box-shadow: var(--glow-border);
    background: var(--color-bg-hover);
}

.da-input-group:focus-within .da-label {
    color: var(--color-primary);
    text-shadow: var(--glow-text);
}

/* BOUTONS (Fusion des styles) */
.da-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    background: transparent;
    overflow: hidden;
    z-index: 1;
    /* Forme coupée par défaut */
    clip-path: polygon(
        10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px
    );
}

.da-btn--primary {
    background: var(--color-primary-dim);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.da-btn--primary:hover {
    background: var(--color-primary);
    color: #000;
    box-shadow: 0 0 25px var(--color-primary-glow);
}

.da-btn--ghost {
    border: 1px solid var(--color-text-muted);
    color: var(--color-text-muted);
}

.da-btn--ghost:hover {
    border-color: var(--color-text);
    color: var(--color-text);
    background: rgba(255,255,255,0.05);
}

.da-btn--full { width: 100%; }

/* LOADER & ANIMATIONS */
.da-loader-bar {
    width: 100%; height: 2px; background: #111;
    position: relative; overflow: hidden; margin: 1.5rem 0;
}
.da-loader-bar::after {
    content: ''; position: absolute; top: 0; left: 0; height: 100%; width: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary);
    animation: da-scan 1.5s infinite linear;
}

@keyframes da-scan { 0% { left: -50%; } 100% { left: 100%; } }
@keyframes da-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes da-fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ==========================================================================
   4. COMPOSANTS BLOG / CONTENU (Restaurés & Adaptés)
   ========================================================================== */

/* Highlight text */
.highlight {
    color: var(--color-text);
    position: relative;
}
.highlight::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
    background: var(--color-primary);
    box-shadow: var(--glow-text);
}

/* Section Label */
.da-section-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-primary);
    display: flex; align-items: center; gap: 0.75rem;
    margin-bottom: 0.5rem;
}
.da-section-label::before {
    content: ''; width: 24px; height: 1px; background: var(--color-primary);
}

/* CARDS (Blog Posts) */
.da-card {
    position: relative;
    background: var(--color-bg-glass);
    backdrop-filter: blur(8px);
    display: flex; flex-direction: column;
    overflow: hidden; text-decoration: none; color: inherit;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.da-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), var(--glow-border);
}

/* Coins décoratifs SVG */
.da-card-corner {
    position: absolute; width: 20px; height: 20px; pointer-events: none; z-index: 10;
}
.da-card-corner--tl { top: 0; left: 0; }
.da-card-corner--br { bottom: 0; right: 0; transform: rotate(180deg); }
.da-card-corner svg {
    width: 100%; height: 100%;
    stroke: var(--color-primary); stroke-width: 2; fill: none;
    opacity: 0.5; transition: opacity var(--transition-fast);
}
.da-card:hover .da-card-corner svg { opacity: 1; }

/* Image Card */
.da-card-img {
    position: relative; overflow: hidden; flex-shrink: 0;
}
.da-card-img img {
    width: 100%; height: 100%; object-fit: cover;
    filter: brightness(0.85) saturate(0.9);
    transition: transform 1s ease, filter var(--transition-fast);
}
.da-card:hover .da-card-img img {
    transform: scale(1.05); filter: brightness(1) saturate(1);
}

/* Body Card */
.da-card-body {
    flex: 1; padding: 1.25rem; display: flex; flex-direction: column;
}

.da-card-tag {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--font-mono); font-size: 0.55rem;
    font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--color-primary);
    padding: 0.3rem 0.6rem;
    background: var(--color-primary-dim);
    border: 1px solid var(--color-border);
    width: fit-content; margin-bottom: 0.75rem;
}

.da-card-title {
    font-size: 0.95rem; font-weight: 600; line-height: 1.35;
    margin-bottom: 0.5rem; color: var(--color-text);
    transition: color var(--transition-fast);
}
.da-card:hover .da-card-title { color: var(--color-primary); }

.da-card-excerpt {
    font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.6; flex: 1;
}

.da-card-footer {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: auto; padding-top: 0.75rem; border-top: 1px solid var(--color-border);
}
.da-card-meta {
    font-family: var(--font-mono); font-size: 0.6rem; color: var(--color-text-dim);
    display: flex; gap: 0.75rem;
}

/* Card Variants */
.da-card--fixed { min-height: 400px; }
.da-card--fixed .da-card-img { height: 200px; }
.da-card--compact { min-height: 320px; }
.da-card--compact .da-card-img { height: 150px; }

/* ARTICLE LIST (Archives) */
.da-article-list {
    display: flex; flex-direction: column; max-width: 900px;
    counter-reset: article-counter;
}

.da-article-row {
    display: grid; grid-template-columns: 50px 1fr auto;
    align-items: center; gap: 1.5rem; padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
    position: relative; text-decoration: none; color: inherit;
    transition: padding var(--transition-fast);
    counter-increment: article-counter;
}

.da-article-row:hover { padding-left: 0.5rem; }
.da-article-row::before {
    content: ''; position: absolute; left: -1rem; top: 0; bottom: 0; width: 2px;
    background: transparent; transition: background var(--transition-fast);
}
.da-article-row:hover::before { background: var(--color-primary); }

.da-article-num {
    font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
    color: var(--color-text-dim);
}
.da-article-num::before { content: counter(article-counter, decimal-leading-zero); }
.da-article-row:hover .da-article-num { color: var(--color-primary); text-shadow: var(--glow-text); }

.da-article-title { margin: 0; font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
.da-article-row:hover .da-article-title { color: var(--color-primary); }

.da-article-meta { display: flex; gap: 0.75rem; font-size: 0.75rem; color: var(--color-text-dim); }
.da-article-cat {
    font-family: var(--font-mono); font-size: 0.6rem; text-transform: uppercase;
    color: var(--color-primary); opacity: 0.7;
}

/* PAGINATION */
.da-pagination { display: flex; align-items: center; gap: 1rem; margin-top: 2rem; }
.da-pagination-btn {
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    background: var(--color-bg-glass); border: 1px solid var(--color-border);
    color: var(--color-text-muted); cursor: pointer; transition: all 0.2s;
}
.da-pagination-btn:hover:not(:disabled) {
    border-color: var(--color-primary); color: var(--color-primary);
}

/* 5. FOOTER TECHNIQUE */
.da-tech-footer {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem; margin-top: 2rem;
    display: flex; justify-content: space-between;
    font-size: 0.65rem; font-family: var(--font-mono); text-transform: uppercase;
}

/* ANIMATION CLASSES */
.da-anim-up { animation: da-fadeUp 0.8s ease both; }
.da-delay-1 { animation-delay: 0.1s; }
.da-delay-2 { animation-delay: 0.2s; }
.da-delay-3 { animation-delay: 0.3s; }