/* =======================================================================
KAYEFI VERSUS - PREMIUM PUBLIC STYLESHEET
======================================================================= */

:root {
--kv-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
--kv-text-main: #202124;
--kv-text-muted: #5f6368;
--kv-border: #dadce0;
--kv-bg-light: #f8f9fa;
--kv-primary: #1a73e8;
--kv-primary-hover: #1765cc;
--kv-danger: #d93025;
--kv-success: #1e8e3e;
--kv-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =======================================================================
BASE & UTILITIES
======================================================================= */
.kv-btn-primary { background: var(--kv-primary); color: #fff; padding: 12px 24px; border-radius: 50px; font-weight: 600; border: none; cursor: pointer; transition: var(--kv-transition); display: inline-flex; justify-content: center; align-items: center; text-decoration: none; font-size: 1rem; }
.kv-btn-primary:hover { background: var(--kv-primary-hover); box-shadow: 0 1px 3px rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15); color: #fff; transform: translateY(-1px); }
.kv-btn-outline { background: transparent; color: var(--kv-primary); padding: 12px 24px; border-radius: 50px; font-weight: 600; border: 2px solid var(--kv-primary); cursor: pointer; transition: var(--kv-transition); display: inline-flex; justify-content: center; align-items: center; text-decoration: none; font-size: 1rem; }
.kv-btn-outline:hover { background: var(--kv-primary); color: #fff; }
.kv-btn-large { padding: 14px 32px; font-size: 1.1rem; }

/* =======================================================================
HERO / HEADER SECTIONS
======================================================================= */
.kv-hero-section { background: var(--kv-bg-light); padding: 4rem 1rem; text-align: center; border-radius: 24px; margin-bottom: 3rem; border: 1px solid var(--kv-border); font-family: var(--kv-font-sans); }
.kv-hero-content { max-width: 800px; margin: 0 auto; }
.kv-hero-badge { display: inline-block; background: #e8f0fe; color: var(--kv-primary); font-size: 0.85rem; font-weight: 700; padding: 6px 12px; border-radius: 50px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.kv-hero-title { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; color: var(--kv-text-main); line-height: 1.2; margin: 0 0 1rem; letter-spacing: -0.03em; }
.kv-hero-subtitle { font-size: 1.2rem; color: var(--kv-text-muted); line-height: 1.6; margin-bottom: 2rem; }
.kv-hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* =======================================================================
GRID / CARDS (ARCHIVE & HOMEPAGE)
======================================================================= */
.kv-section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 2rem; border-bottom: 1px solid var(--kv-border); padding-bottom: 1rem; font-family: var(--kv-font-sans); }
.kv-section-title { font-size: 2rem; font-weight: 800; color: var(--kv-text-main); margin: 0; letter-spacing: -0.02em; }
.kv-section-link { color: var(--kv-primary); font-weight: 600; text-decoration: none; transition: var(--kv-transition); }
.kv-section-link:hover { color: var(--kv-primary-hover); text-decoration: underline; }

.kv-grid-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2rem; font-family: var(--kv-font-sans); }
.kv-grid-card { background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid var(--kv-border); transition: var(--kv-transition); display: flex; flex-direction: column; }
.kv-grid-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(60,64,67,0.1); border-color: #dadce0; }
.kv-card-link { text-decoration: none; color: inherit; display: flex; flex-direction: column; height: 100%; }
.kv-card-images { display: flex; height: 200px; position: relative; }
.kv-card-img-side { flex: 1; background-size: cover; background-position: center; position: relative; }
.kv-card-vs-badge { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); background: #fff; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 1rem; color: var(--kv-text-main); z-index: 2; box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.kv-card-content { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between; }
.kv-card-title { font-size: 1.25rem; font-weight: 700; margin: 0 0 1rem; line-height: 1.4; color: var(--kv-text-main); }
.kv-card-meta { display: flex; justify-content: space-between; align-items: center; color: var(--kv-text-muted); font-size: 0.9rem; font-weight: 500; }
.kv-meta-votes { display: flex; align-items: center; color: var(--kv-primary); font-weight: 700; }
.kv-home-footer-cta { text-align: center; margin-top: 4rem; margin-bottom: 2rem; }

/* =======================================================================
SINGLE BATTLE ARENA
======================================================================= */
.kv-premium-single-container { max-width: 1000px; margin: 0 auto; padding: 2rem 1rem 6rem; font-family: var(--kv-font-sans); color: var(--kv-text-main); }
.kv-single-hero { text-align: center; margin-bottom: 3rem; }
.kv-single-title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; color: var(--kv-text-main); line-height: 1.2; margin: 0 0 1rem; letter-spacing: -0.02em; }
.kv-single-desc { font-size: 1.15rem; color: var(--kv-text-muted); max-width: 700px; margin: 0 auto; line-height: 1.6; }

.kv-arena-modern { display: flex; gap: 2rem; position: relative; margin-bottom: 3rem; }
.kv-arena-card { flex: 1; background: #fff; border-radius: 24px; overflow: hidden; border: 1px solid var(--kv-border); box-shadow: 0 4px 12px rgba(60,64,67,0.05); display: flex; flex-direction: column; transition: var(--kv-transition); }
.kv-arena-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(60,64,67,0.1); border-color: #dadce0; }
.kv-arena-img { width: 100%; height: 350px; background-size: cover; background-position: center; border-bottom: 1px solid var(--kv-border); }
.kv-arena-actions { padding: 2rem; text-align: center; display: flex; flex-direction: column; justify-content: center; align-items: center; background: var(--kv-bg-light); flex-grow: 1; }
.kv-arena-name { font-size: 1.8rem; font-weight: 700; color: var(--kv-text-main); margin: 0 0 1.5rem; line-height: 1.2; }
.kv-vote-btn { width: 100%; max-width: 250px; padding: 16px 24px; border-radius: 50px; border: none; color: #fff; font-size: 1.15rem; font-weight: 700; cursor: pointer; transition: all 0.2s ease; box-shadow: 0 4px 10px rgba(0,0,0,0.15); display: flex; justify-content: center; align-items: center; }
.kv-vote-btn:hover { transform: scale(1.03); box-shadow: 0 6px 15px rgba(0,0,0,0.2); }
.kv-vote-btn:disabled { transform: none; box-shadow: none; cursor: not-allowed; }

.kv-arena-vs-badge { position: absolute; left: 50%; top: 175px; transform: translate(-50%, -50%); background: #fff; width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 1.5rem; color: var(--kv-text-main); z-index: 2; box-shadow: 0 8px 24px rgba(60,64,67,0.2); border: 1px solid var(--kv-border); letter-spacing: -1px; }

.kv-telemetry-modern { background: #fff; padding: 2rem; border-radius: 20px; border: 1px solid var(--kv-border); box-shadow: 0 2px 8px rgba(60,64,67,0.05); margin-bottom: 3rem; }
.kv-telemetry-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.kv-telemetry-title { font-size: 1.25rem; font-weight: 700; color: var(--kv-text-main); }
.kv-total-votes { font-size: 1rem; color: var(--kv-text-muted); background: var(--kv-bg-light); padding: 6px 14px; border-radius: 50px; font-weight: 500; }
.kv-total-votes strong { color: var(--kv-text-main); font-weight: 800; font-size: 1.1rem; }
.kv-progress-track { display: flex; height: 36px; background: #e8eaed; border-radius: 50px; overflow: hidden; box-shadow: inset 0 2px 4px rgba(0,0,0,0.05); }
.kv-progress-bar { display: flex; align-items: center; justify-content: center; transition: width 1s cubic-bezier(0.22, 1, 0.36, 1); min-width: 5%; }
.kv-pct-text { color: #fff; font-weight: 800; font-size: 1rem; text-shadow: 0 1px 2px rgba(0,0,0,0.3); padding: 0 10px; }

.kv-premium-divider { border: 0; height: 1px; background: var(--kv-border); margin: 3rem 0; }

/* =======================================================================
MODERN ARGUMENTS UI (CHAT/AVATAR STYLE)
======================================================================= */
.kv-arguments-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; }
.kv-arguments-section-title { font-size: 1.8rem; font-weight: 800; color: var(--kv-text-main); margin: 0; }
.kv-arguments-list { display: flex; flex-direction: column; gap: 1.5rem; }
.kv-modern-arg-card { display: flex; gap: 1.25rem; background: #fff; padding: 1.5rem; border-radius: 16px; border: 1px solid var(--kv-border); transition: var(--kv-transition); }
.kv-modern-arg-card:hover { box-shadow: 0 4px 12px rgba(60,64,67,0.08); border-color: #dadce0; }
.kv-arg-avatar { flex-shrink: 0; }
.kv-arg-avatar-img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; border: 2px solid #f1f3f4; }
.kv-arg-content-wrap { flex-grow: 1; }
.kv-arg-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.75rem; flex-wrap: wrap; gap: 10px; }
.kv-arg-meta { display: flex; flex-direction: column; }
.kv-arg-author { font-weight: 700; color: var(--kv-text-main); font-size: 1.05rem; }
.kv-arg-date { font-size: 0.85rem; color: #80868b; }
.kv-arg-badge { padding: 4px 10px; border-radius: 6px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.kv-arg-body { color: #3c4043; line-height: 1.6; font-size: 1.05rem; }
.kv-arg-body p { margin-top: 0; margin-bottom: 1rem; }
.kv-arg-body p:last-child { margin-bottom: 0; }
.kv-no-arguments { text-align: center; padding: 3rem; background: var(--kv-bg-light); border-radius: 16px; color: var(--kv-text-muted); font-weight: 500; border: 1px dashed var(--kv-border); }

/* =======================================================================
FORMS (CREATE BATTLE & ADD ARGUMENT)
======================================================================= */
.kv-create-form-container, .kv-argument-form-container { background: #fff; padding: 2.5rem; border-radius: 20px; box-shadow: 0 8px 30px rgba(0,0,0,0.06); border: 1px solid var(--kv-border); margin-bottom: 3rem; font-family: var(--kv-font-sans); }
.kv-create-header { margin-bottom: 2rem; text-align: center; }
.kv-form-heading { font-size: 2.2rem; font-weight: 800; color: var(--kv-text-main); margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.kv-form-subheading { font-size: 1.1rem; color: var(--kv-text-muted); margin: 0; }
.kv-form-section { background: var(--kv-bg-light); padding: 1.5rem; border-radius: 12px; margin-bottom: 2rem; }
.kv-form-row { margin-bottom: 1.5rem; }
.kv-form-row:last-child { margin-bottom: 0; }
.kv-form-row label { display: block; font-weight: 700; color: var(--kv-text-main); margin-bottom: 0.5rem; font-size: 1rem; }
.kv-optional { font-weight: 400; color: var(--kv-text-muted); font-size: 0.9rem; }
.kv-select, .kv-textarea, input[type="text"] { width: 100%; padding: 14px 16px; border: 1px solid var(--kv-border); border-radius: 10px; font-size: 1rem; font-family: inherit; color: var(--kv-text-main); transition: var(--kv-transition); background: #fff; box-sizing: border-box; }
.kv-select:focus, .kv-textarea:focus, input[type="text"]:focus { outline: none; border-color: var(--kv-primary); box-shadow: 0 0 0 4px rgba(26,115,232,0.15); }
.kv-textarea { resize: vertical; min-height: 100px; }
.kv-form-grid-wrapper { border: 1px solid var(--kv-border); border-radius: 16px; overflow: hidden; margin-bottom: 2rem; }
.kv-form-grid { display: flex; position: relative; }
.kv-form-col { flex: 1; padding: 2rem; background: #fff; }
.kv-col-a { border-right: 1px solid var(--kv-border); }
.kv-vs-divider-premium { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); background: #fff; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--kv-border); box-shadow: 0 4px 12px rgba(0,0,0,0.1); display: flex; align-items: center; justify-content: center; font-weight: 900; color: var(--kv-text-main); z-index: 10; font-size: 1.1rem; letter-spacing: -1px; }
.kv-side-title { font-size: 1.5rem; font-weight: 800; color: var(--kv-text-main); margin: 0 0 1.5rem; text-align: center; }
.kv-file-upload-wrapper { border: 2px dashed var(--kv-border); padding: 1.5rem; border-radius: 12px; text-align: center; transition: var(--kv-transition); background: #fff; }
.kv-file-upload-wrapper:hover { border-color: var(--kv-primary); background: #f8fbff; }
.kv-file-input { width: 100%; cursor: pointer; }
.kv-img-preview { width: 100%; height: 0; transition: height 0.3s ease; }
.kv-btn-submit { width: 100%; font-size: 1.25rem; padding: 16px; border-radius: 12px; }

/* =======================================================================
ARCHIVE & PAGINATION
======================================================================= */
.kv-archive-hero { margin-bottom: 3rem; border-radius: 0 0 32px 32px; border-bottom: none; box-shadow: 0 4px 20px rgba(0,0,0,0.03); }
.kv-pagination { display: flex; justify-content: center; margin-top: 3rem; margin-bottom: 5rem; font-family: var(--kv-font-sans); }
.kv-pagination .nav-links { display: flex; gap: 8px; align-items: center; }
.kv-pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 44px; padding: 0 16px; border-radius: 50px; background: #fff; color: var(--kv-text-muted); text-decoration: none; font-weight: 600; border: 1px solid var(--kv-border); transition: var(--kv-transition); font-size: 1rem; }
.kv-pagination .page-numbers:hover { background: var(--kv-bg-light); color: var(--kv-text-main); border-color: var(--kv-border); box-shadow: 0 2px 6px rgba(60,64,67,0.1); }
.kv-pagination .page-numbers.current { background: var(--kv-primary); color: #fff; border-color: var(--kv-primary); }

/* Notifications */
.kv-form-msg, #kv-notification-area { margin-top: 1rem; padding: 1rem; border-radius: 8px; font-weight: 600; text-align: center; display: none; }
.kv-msg-success, .kv-form-msg:not(:empty) { display: block; }
.kv-msg-success { background: #e6f4ea; color: var(--kv-success); border: 1px solid #ceead6; }
.kv-msg-error { background: #fce8e6; color: var(--kv-danger); border: 1px solid #fad2cf; }

/* =======================================================================
RESPONSIVE ADJUSTMENTS
======================================================================= */
@media (max-width: 768px) {
.kv-arena-modern { flex-direction: column; gap: 1rem; }
.kv-arena-vs-badge { top: 50%; left: 50%; }
.kv-arena-img { height: 250px; }
.kv-form-grid { flex-direction: column; }
.kv-col-a { border-right: none; border-bottom: 1px solid var(--kv-border); }
.kv-vs-divider-premium { top: 50%; }
.kv-create-form-container { padding: 1.5rem; }
.kv-form-col { padding: 1.5rem 1rem; }
}
@media (max-width: 600px) {
.kv-modern-arg-card { padding: 1.25rem; flex-direction: column; gap: 1rem; }
.kv-arg-header { flex-direction: column; }
}