/* ─── Reset & Base ─────────────────────────────────────────── */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } :root { /* Dark (default) */ --bg: #07131f; --bg2: #0c1e2e; --surface: rgba(255,255,255,0.04); --surface-hover: rgba(255,255,255,0.08); --border: rgba(255,255,255,0.10); --border-hover: rgba(255,255,255,0.22); --text: #e8edf2; --text-muted: rgba(232,237,242,0.50); --accent: #3b82f6; --accent-glow: rgba(59,130,246,0.30); --accent2: #06b6d4; --card-bg: rgba(12,30,46,0.85); --card-border: rgba(59,130,246,0.18); --input-bg: rgba(255,255,255,0.05); --input-focus: rgba(59,130,246,0.20); --shadow: 0 32px 80px rgba(0,0,0,0.50); --radius: 16px; --font-display: 'Syne', sans-serif; --font-body: 'DM Sans', sans-serif; } [data-theme="light"] { --bg: #f0f4f8; --bg2: #e2eaf2; --surface: rgba(0,0,0,0.04); --surface-hover: rgba(0,0,0,0.07); --border: rgba(0,0,0,0.10); --border-hover: rgba(0,0,0,0.22); --text: #0f1f30; --text-muted: rgba(15,31,48,0.50); --accent: #1d5fcc; --accent-glow: rgba(29,95,204,0.20); --accent2: #0891b2; --card-bg: rgba(255,255,255,0.90); --card-border: rgba(29,95,204,0.18); --input-bg: rgba(0,0,0,0.04); --input-focus: rgba(29,95,204,0.12); --shadow: 0 32px 80px rgba(15,31,48,0.14); } html { scroll-behavior: smooth; } body { font-family: var(--font-body); background: var(--bg); color: var(--text); min-height: 100vh; overflow-x: hidden; transition: background 0.4s, color 0.4s; } /* ─── Background photo ─────────────────────────────────────── */ .bg-photo { position: fixed; inset: 0; z-index: 0; background-size: cover; background-position: center; background-repeat: no-repeat; /* default: night until JS sets it */ background-image: url('/static/img/tmu-night.png'); transition: opacity 0.8s ease; } /* JS sets data-bg="day" or data-bg="night" on */ [data-bg="day"] .bg-photo { background-image: url('/static/img/tmu-day.png'); } [data-bg="night"] .bg-photo { background-image: url('/static/img/tmu-night.png'); } /* Dark overlay — heavier at night for readability */ .bg-overlay { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: rgba(5, 14, 24, 0.55); transition: background 0.8s ease; } [data-bg="day"] .bg-overlay { background: rgba(10, 20, 40, 0.38); } [data-bg="night"] .bg-overlay { background: rgba(4, 10, 22, 0.62); } /* Light theme: softer overlay */ [data-theme="light"][data-bg="day"] .bg-overlay { background: rgba(255,255,255,0.28); } [data-theme="light"][data-bg="night"] .bg-overlay { background: rgba(10, 20, 40, 0.45); } #particleCanvas { position: fixed; inset: 0; z-index: 2; pointer-events: none; opacity: 0.5; } /* ─── Page shell ───────────────────────────────────────────── */ .page-shell { position: relative; z-index: 3; min-height: 100vh; display: flex; flex-direction: column; } /* ─── Header ───────────────────────────────────────────────── */ .header { display: flex; align-items: center; justify-content: space-between; padding: 18px 40px; backdrop-filter: blur(12px); background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; transition: background 0.3s, border-color 0.3s; } .brand { display: flex; align-items: center; gap: 12px; } .brand-logo { height: 46px; width: auto; flex-shrink: 0; object-fit: contain; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.40)); } .controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; } /* Language */ .language-box { display: flex; align-items: center; gap: 6px; padding: 7px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; cursor: pointer; transition: border-color 0.2s, background 0.2s; } .language-box:hover { border-color: var(--border-hover); background: var(--surface-hover); } .lang-icon { width: 16px; height: 16px; color: var(--text-muted); flex-shrink: 0; } .language-select { background: none; border: none; outline: none; color: var(--text); font-family: var(--font-body); font-size: 13px; cursor: pointer; -webkit-appearance: none; } /* Weather */ .weather-card { display: flex; align-items: center; gap: 8px; padding: 7px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; font-size: 13px; transition: border-color 0.2s; min-width: 90px; } .weather-icon { font-size: 18px; line-height: 1; } .weather-city { font-size: 10px; color: var(--text-muted); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; } .weather-temp { font-family: var(--font-display); font-weight: 600; font-size: 14px; margin-top: 1px; } /* Theme button */ .theme-button { display: flex; align-items: center; gap: 6px; padding: 7px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; color: var(--text); font-family: var(--font-body); font-size: 13px; cursor: pointer; transition: border-color 0.2s, background 0.2s; } .theme-button:hover { border-color: var(--border-hover); background: var(--surface-hover); } .theme-icon { font-size: 15px; } /* ─── Main ─────────────────────────────────────────────────── */ .main { flex: 1; display: grid; grid-template-columns: 1fr 420px; gap: 0; max-width: 1100px; margin: 0 auto; padding: 60px 40px 60px; width: 100%; align-items: center; } /* ─── Hero ─────────────────────────────────────────────────── */ .hero { padding-right: 60px; } .hero-eyebrow { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); font-weight: 600; } .eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse-dot 2.4s ease-in-out infinite; } @keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.7); } } .hero-title { font-family: var(--font-display); font-size: clamp(64px, 8vw, 108px); font-weight: 800; line-height: 0.92; letter-spacing: -0.03em; margin-bottom: 28px; } .hero-tmu { display: block; background: linear-gradient(120deg, var(--text) 0%, var(--text-muted) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; } .hero-mail { display: block; background: linear-gradient(120deg, var(--accent) 0%, var(--accent2) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 28px var(--accent-glow)); } .hero-tagline { font-size: 14px; letter-spacing: 0.10em; color: var(--text-muted); font-weight: 300; } /* ─── Login Card ───────────────────────────────────────────── */ .login-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 24px; padding: 36px 32px 28px; backdrop-filter: blur(24px); box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,0.03) inset; animation: card-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; transition: background 0.4s, border-color 0.3s; } @keyframes card-in { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } } .card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; } .card-logo { height: 44px; width: auto; flex-shrink: 0; object-fit: contain; filter: drop-shadow(0 2px 10px rgba(0,0,0,0.30)); } .card-header h2 { font-family: var(--font-display); font-size: 14px; font-weight: 700; line-height: 1.2; margin-bottom: 2px; } .card-header h3 { font-size: 12px; font-weight: 400; color: var(--text-muted); } .card-subtitle { font-size: 13px; color: var(--text-muted); margin-bottom: 22px; } /* ─── Form ─────────────────────────────────────────────────── */ .login-form label { display: block; font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; } .input-row { display: flex; align-items: center; background: var(--input-bg); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin-bottom: 16px; transition: border-color 0.2s, box-shadow 0.2s; } .input-row:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); background: var(--input-focus); } .input-icon { width: 44px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); flex-shrink: 0; } .input-icon svg { width: 16px; height: 16px; } .input-row input { flex: 1; border: none; outline: none; background: transparent; color: var(--text); font-family: var(--font-body); font-size: 14px; padding: 13px 0; } .input-row input::placeholder { color: var(--text-muted); } .domain { padding: 0 14px; font-size: 12px; color: var(--text-muted); font-weight: 500; letter-spacing: 0.02em; white-space: nowrap; border-left: 1px solid var(--border); } .login-button { width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 24px; background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%); border: none; border-radius: 12px; color: #fff; font-family: var(--font-display); font-size: 15px; font-weight: 700; cursor: pointer; letter-spacing: 0.02em; transition: transform 0.18s, box-shadow 0.18s, opacity 0.18s; box-shadow: 0 6px 24px var(--accent-glow); position: relative; overflow: hidden; } .login-button::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,0.12) 0%, transparent 100%); pointer-events: none; } .login-button:hover { transform: translateY(-2px); box-shadow: 0 10px 32px var(--accent-glow); } .login-button:active { transform: translateY(0); opacity: 0.9; } .btn-arrow { width: 16px; height: 16px; transition: transform 0.2s; } .login-button:hover .btn-arrow { transform: translateX(3px); } /* ─── Divider ──────────────────────────────────────────────── */ .divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; } .divider-line { flex: 1; height: 1px; background: var(--border); } .divider-text { font-size: 11px; color: var(--text-muted); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; } /* ─── Direct Button ────────────────────────────────────────── */ .direct-button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 12px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; color: var(--text); text-decoration: none; font-size: 13px; font-weight: 500; transition: border-color 0.2s, background 0.2s, transform 0.18s; margin-bottom: 22px; } .direct-button:hover { border-color: var(--border-hover); background: var(--surface-hover); transform: translateY(-1px); } .gmail-icon { width: 20px; height: 20px; flex-shrink: 0; } .direct-button span { flex: 1; } .ext-icon { width: 13px; height: 13px; color: var(--text-muted); flex-shrink: 0; } /* ─── Copyright ────────────────────────────────────────────── */ .copyright { font-size: 11px; color: var(--text-muted); text-align: center; line-height: 1.6; } /* ─── Responsive ───────────────────────────────────────────── */ @media (max-width: 860px) { .main { grid-template-columns: 1fr; padding: 36px 24px 48px; gap: 32px; } .hero { padding-right: 0; text-align: center; } .hero-eyebrow { justify-content: center; } .login-card { max-width: 440px; margin: 0 auto; width: 100%; } } @media (max-width: 640px) { .header { padding: 12px 16px; gap: 8px; } .brand-logo { height: 40px; } .controls { gap: 8px; } .language-box { padding: 6px 10px; } .language-select { font-size: 12px; } .weather-card { display: none; } .theme-button { padding: 6px 10px; font-size: 12px; } .main { padding: 24px 16px 36px; gap: 24px; } .hero-title { font-size: clamp(52px, 15vw, 88px); } .hero-eyebrow { font-size: 10px; margin-bottom: 16px; } .hero-tagline { font-size: 12px; } .login-card { padding: 28px 20px 22px; border-radius: 20px; } .card-header { gap: 10px; margin-bottom: 16px; } .card-header h2 { font-size: 13px; } .input-row input { font-size: 16px; } /* prevent iOS zoom */ .login-button { padding: 13px 20px; font-size: 14px; } } @media (max-width: 400px) { .main { padding: 20px 12px 28px; } .hero { display: none; } .login-card { max-width: 100%; } }