/* ===== PROAINEX GLOBAL VARIABLES ===== */
:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #1E293B;
    --bg-color: #F8FAFC;
    --surface: #FFFFFF;
    --border: #E2E8F0;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10B981;
    --ai-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ===== GLOBAL RESET & BASE ===== */
* { box-sizing: border-box; }

body {
    background: var(--bg-color);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Custom Scrollbar for a Premium App Feel */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* CRITICAL: Hides inactive steps */
.hidden { display: none !important; }

/* ===== MAIN BUILDER LAYOUT (Single Column Centered) ===== */
.proainex-container {
    max-width: 850px;
    margin: 30px auto;
    padding: 0 20px;
    display: block;
}

.builder-area {
    padding: 30px;
    background: var(--surface);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.builder-header h1 { font-size: 26px; margin: 0 0 8px 0; color: var(--secondary); font-weight: 700; }
.builder-header p { color: var(--text-muted); font-size: 14px; margin: 0 0 25px 0; }
.step-title { font-size: 18px; color: var(--secondary); border-bottom: 2px solid var(--border); padding-bottom: 10px; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }

/* Grid Utilities */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

/* ===== DYNAMIC BOXES (Exp, Edu, Proj) ===== */
.box-item {
    background: #fcfcfd;
    border: 1px solid var(--border);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 16px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}
.box-item:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

/* Skills Grid & Tags */
.skills-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-tag {
    background: #EEF2FF;
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid #C7D2FE;
}
.skill-tag i { cursor: pointer; color: #818CF8; transition: 0.2s; }
.skill-tag i:hover { color: var(--danger); }

/* ===== INPUTS & BUTTONS ===== */
.pro-input {
    width: 100%;
    border: 1px solid var(--border);
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
    background: #F8FAFC;
    color: var(--text-main);
}
.pro-input::placeholder { color: #94a3b8; }
.pro-input:focus {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.h-24 { height: 110px; resize: vertical; }

/* Buttons */
.btn-primary { background: var(--primary); color: white; padding: 12px 24px; border-radius: 8px; border: none; font-weight: 600; cursor: pointer; transition: 0.2s; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-secondary { background: var(--bg-color); color: var(--text-main); padding: 12px 24px; border-radius: 8px; border: 1px solid var(--border); font-weight: 600; cursor: pointer; transition: 0.2s; }
.btn-secondary:hover { background: #e2e8f0; }

.btn-outline { background: transparent; border: 2px dashed var(--border); color: var(--text-muted); padding: 12px; border-radius: 8px; width: 100%; cursor: pointer; font-weight: 600; transition: 0.2s; margin-top: 5px; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: #f5f3ff; }

.remove-btn { color: var(--danger); font-size: 13px; cursor: pointer; background: none; border: none; padding: 0; margin-top: 12px; font-weight: 600; display: flex; align-items: center; gap: 5px; transition: 0.2s; }
.remove-btn:hover { color: var(--danger-hover); }

.btn-text-magic {
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 10px 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.btn-text-magic span {
    background: var(--ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-text-magic:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-text-magic:active {
    transform: scale(0.98);
}

.btn-action { background: white; border: 1px solid var(--border); padding: 10px 18px; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; transition: 0.2s; box-shadow: var(--shadow-sm); }
.btn-action:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-download-main { background: var(--success); color: white; border: none; }
.btn-download-main:hover { background: #059669; }

/* ===== PROGRESS BAR ===== */
.progress-container { width: 100%; background: var(--border); height: 8px; border-radius: 4px; margin-bottom: 25px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); width: 33.33%; transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

/* ==========================================
   MODAL (POPUP) STYLING 
   ========================================== */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.7); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999; opacity: 0; pointer-events: none; transition: 0.3s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal-box {
    background: #fff; width: 95%; max-width: 600px;
    border-radius: 12px; box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    transform: translateY(-30px) scale(0.95); transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex; flex-direction: column; max-height: 90vh;
}
.modal-overlay.active .modal-box { transform: translateY(0) scale(1); }

/* Special wider box for the Live Preview */
.modal-box-large { max-width: 1000px; background: #e2e8f0; }
.modal-box-large .modal-header { background: #fff; border-radius: 12px 12px 0 0; }

.modal-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); padding: 18px 24px; }
.modal-title { font-size: 18px; font-weight: 700; color: var(--secondary); display: flex; align-items: center; gap: 8px;}
.close-modal { background: none; border: none; font-size: 28px; cursor: pointer; color: var(--text-muted); transition: 0.2s; line-height: 1; padding: 0; display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; }
.close-modal:hover { background: #fee2e2; color: var(--danger); }

.modal-body { overflow-y: auto; padding: 24px; }
.modal-body::-webkit-scrollbar { width: 8px; }
.modal-body::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }

/* Individual Summary Cards inside Popup */
.summary-card { background: #f8fafc; border: 1px solid var(--border); padding: 16px; border-radius: 8px; margin-bottom: 12px; cursor: pointer; transition: 0.2s; text-align: left; width: 100%; box-shadow: var(--shadow-sm); }
.summary-card:hover { border-color: var(--primary); background: #eff6ff; box-shadow: var(--shadow-md); transform: translateX(4px); }
.summary-text-truncate { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 14px; color: #475569; line-height: 1.6; }

/* ===== PAPER PREVIEW (INSIDE MODAL) ===== */
.paper-preview {
    background: white;
    width: 210mm; /* Standard A4 Width */
    min-height: 297mm; /* Standard A4 Height */
    padding: 0; /* Let template PHP handle padding */
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    box-sizing: border-box;
    margin: 0 auto;
    transform-origin: top center;
}
#preview { width: 100%; height: 100%; }

/* ===== RESPONSIVE DESIGN (MOBILE FIXES) ===== */
@media (max-width: 900px) {
    /* Scale paper down to fit tablet/mobile inside modal */
    .paper-preview { width: 800px; transform: scale(0.6); transform-origin: top center; margin-bottom: -40%; }
}

@media (max-width: 640px) {
    .grid-2 { grid-template-columns: 1fr; gap: 12px; }
    
    .builder-area { padding: 20px; }
    .builder-header h1 { font-size: 22px; }
    
    .nav-buttons { flex-direction: column; gap: 10px; }
    .nav-buttons button { width: 100%; justify-content: center; }

    .modal-header { flex-direction: column; align-items: flex-start; gap: 15px; }
    .modal-header > div { width: 100%; justify-content: space-between; flex-wrap: wrap; }
    
    /* Smaller mobile paper scale */
    .paper-preview { transform: scale(0.42); margin-bottom: -60%; }
}

@media (max-width: 400px) {
    .paper-preview { transform: scale(0.36); margin-bottom: -65%; }
}