@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

:root {
    --bg: #264850;
    --bg-card: rgba(255, 255, 255, 0.06);
    --bg-input: rgba(0, 0, 0, 0.2);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    --text: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.5);
    --text-label: rgba(255, 255, 255, 0.6);
    --accent: #ffff00;
    --accent-hover: #e6e600;
    --accent-text: #1a1a1a;
    --success: #34d399;
    --error: #f87171;
    --warning: #fbbf24;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Montserrat', -apple-system, system-ui, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* --- Layout --- */
.container { max-width: 1200px; margin: 0 auto; padding: 2rem; }
.container-narrow { max-width: 600px; margin: 0 auto; padding: 2rem; }

/* --- Nav --- */
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
}
nav .logo {
    font-size: 1.1rem; font-weight: 700; letter-spacing: 0.5px;
    text-transform: uppercase;
}
nav .logo span { color: var(--accent); }
nav .nav-links { display: flex; gap: 1.5rem; align-items: center; }
nav .nav-links a {
    color: var(--text-dim); font-size: 0.85rem; font-weight: 500;
    letter-spacing: 0.3px; transition: color 0.2s;
}
nav .nav-links a:hover { color: var(--text); }

/* --- Login --- */
.login-wrapper {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; flex-direction: column; gap: 2rem;
}
.login-logo {
    font-size: 1.1rem; font-weight: 700; letter-spacing: 0.5px;
    text-transform: uppercase; text-align: center;
}
.login-logo span { color: var(--accent); }
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%; max-width: 420px;
    text-align: center;
}
.login-card h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.4rem; }
.login-card p { color: var(--text-dim); margin-bottom: 2rem; font-size: 0.9rem; }

/* --- Forms --- */
label, .field-label {
    display: block;
    font-size: 0.7rem; font-weight: 600;
    letter-spacing: 1.2px; text-transform: uppercase;
    color: var(--text-label);
    margin-bottom: 0.5rem;
}

input[type="text"], input[type="password"], input[type="url"], input[type="number"], textarea, select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
}
input::placeholder, textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    border: none; border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem; font-weight: 600;
    cursor: pointer; transition: all 0.2s;
    letter-spacing: 0.2px;
}
.btn-primary {
    background: var(--accent); color: var(--accent-text);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn-secondary {
    background: var(--bg-input); color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-secondary:hover { border-color: rgba(255, 255, 255, 0.25); }
.btn-success { background: var(--success); color: var(--accent-text); }
.btn-success:hover { opacity: 0.9; }
.btn-large { padding: 1rem 2.5rem; font-size: 1rem; width: 100%; }
.btn-small { padding: 0.4rem 0.8rem; font-size: 0.75rem; }

/* --- URL Fields --- */
.url-group {
    display: flex; gap: 0.75rem; align-items: start;
    margin-bottom: 0.75rem;
}
.url-group .num {
    min-width: 28px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-dim); font-size: 0.8rem; font-weight: 600;
}
.url-group .fields { flex: 1; display: flex; flex-direction: column; gap: 0.4rem; }
.url-group input[type="url"] { font-size: 0.85rem; }
.url-group .note-field { font-size: 0.8rem; padding: 0.6rem 0.85rem; }

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}
.card h2 {
    font-size: 1rem; font-weight: 600; margin-bottom: 1rem;
    letter-spacing: -0.2px;
}

/* --- Editor Layout --- */
.editor-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 900px) {
    .editor-grid { grid-template-columns: 1fr; }
}

/* --- Subject Lines --- */
.subject-list { display: flex; flex-direction: column; gap: 0.5rem; }
.subject-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.75rem; border-radius: 8px;
    background: var(--bg-input); border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer; transition: border-color 0.2s;
}
.subject-item:hover, .subject-item.selected { border-color: var(--accent); }
.subject-item input[type="radio"] { accent-color: var(--accent); }
.subject-item .subject-text { flex: 1; font-size: 0.85rem; }
.subject-item .char-count { color: var(--text-dim); font-size: 0.75rem; white-space: nowrap; }

/* --- Newsletter Preview --- */
.newsletter-preview {
    background: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 1.5rem;
    min-height: 400px;
    font-size: 0.9rem;
    line-height: 1.7;
    overflow-y: auto;
    white-space: pre-wrap;
}
.newsletter-preview:focus { outline: none; border-color: rgba(255, 255, 255, 0.25); }
.newsletter-preview h2 { font-size: 1.05rem; margin: 1rem 0 0.5rem; color: var(--accent); }
.newsletter-preview strong { color: #fff; }

/* --- LinkedIn Preview --- */
.linkedin-preview {
    background: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 1.5rem;
    min-height: 200px;
    font-size: 0.85rem;
    line-height: 1.5;
    white-space: pre-wrap;
}
.linkedin-preview:focus { outline: none; border-color: rgba(255, 255, 255, 0.25); }
.char-counter { text-align: right; color: var(--text-dim); font-size: 0.75rem; margin-top: 0.3rem; }

/* --- Images --- */
.image-grid { display: flex; flex-direction: column; gap: 0.75rem; }
.image-item {
    position: relative;
    border-radius: 8px; overflow: hidden;
    border: 1px solid var(--border);
}
.image-item img { width: 100%; height: auto; display: block; }
.image-item .image-actions {
    position: absolute; bottom: 0.5rem; right: 0.5rem;
    display: flex; gap: 0.3rem;
}
.image-placeholder {
    width: 100%; height: 120px;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column;
    background: var(--bg-input); color: var(--text-dim);
    font-size: 0.8rem;
}

/* --- Actions Sidebar --- */
.actions-stack { display: flex; flex-direction: column; gap: 0.75rem; }
.actions-stack .btn { width: 100%; }

/* --- Progress --- */
.progress-overlay {
    position: fixed; inset: 0;
    background: rgba(38, 72, 80, 0.95);
    display: flex; align-items: center; justify-content: center;
    z-index: 100;
    backdrop-filter: blur(8px);
}
.progress-card {
    text-align: center; padding: 3rem;
}
.progress-card .spinner {
    width: 48px; height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1.5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
.progress-card .step {
    color: var(--text-dim); font-size: 0.95rem; margin-top: 0.5rem;
    font-weight: 500;
}
.progress-card .step.active { color: var(--accent); font-weight: 600; }
.progress-card .step.done { color: var(--success); }

/* --- History --- */
.history-list { display: flex; flex-direction: column; gap: 0.5rem; }
.history-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 1.25rem; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: 12px;
    transition: border-color 0.2s;
}
.history-item:hover { border-color: rgba(255, 255, 255, 0.18); }
.history-item .date { color: var(--text-dim); font-size: 0.8rem; }
.history-item .status {
    padding: 0.25rem 0.7rem; border-radius: 6px;
    font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.5px;
}
.status-draft { background: rgba(251, 191, 36, 0.15); color: var(--warning); }
.status-exported { background: rgba(52, 211, 153, 0.15); color: var(--success); }

/* --- Error --- */
.error-msg {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    color: var(--error);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* --- Toast --- */
.toast {
    position: fixed; bottom: 2rem; right: 2rem;
    padding: 0.85rem 1.5rem; border-radius: 8px;
    font-size: 0.85rem; font-weight: 600;
    z-index: 200; animation: slideUp 0.3s;
    font-family: 'Montserrat', sans-serif;
}
.toast-success { background: var(--success); color: var(--accent-text); }
.toast-error { background: var(--error); color: #fff; }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* --- Footer --- */
.footer {
    text-align: center; padding: 2rem;
    color: var(--text-dim); font-size: 0.75rem;
}

/* --- Responsive --- */
@media (max-width: 600px) {
    .container { padding: 1rem; }
    nav { padding: 0.75rem 1rem; }
    .login-card { padding: 2rem; margin: 1rem; }
    .url-group { flex-direction: column; }
    .url-group .num { height: auto; }
}