/* Shared UX Styles for Auth Pages */

:root {
    --brand-primary: #16a34a;
    --brand-primary-dark: #15803d;
    --brand-secondary: #0ea5e9;
    --brand-accent: #f0fdf4;
    --brand-dark: #0f172a;
    --brand-gray: #64748b;
    --brand-light: #f8fafc;
    --brand-danger: #ef4444;
    --brand-success: #22c55e;
}

.container {
    width: min(1200px, 94vw);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.app-header {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: saturate(180%) blur(14px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
    padding: 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    flex-wrap: nowrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.brand img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(22, 163, 74, 0.25);
}

.brand span {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--brand-dark);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    flex-shrink: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.7rem 1.6rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    outline: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn.primary {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    color: #fff;
    box-shadow: 0 10px 30px rgba(22, 163, 74, 0.25);
}

.btn.primary:hover:not(:disabled) {
    box-shadow: 0 15px 35px rgba(22, 163, 74, 0.35);
}

.btn.secondary {
    background: #3b82f6;
    color: #fff;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.25);
}

.btn.secondary:hover:not(:disabled) {
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.35);
}

.btn.tertiary {
    background: #a855f7;
    color: #fff;
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.25);
}

.btn.tertiary:hover:not(:disabled) {
    box-shadow: 0 15px 35px rgba(168, 85, 247, 0.35);
}

.btn.ghost {
    background: transparent;
    color: var(--brand-primary);
    border: 1px solid rgba(22, 163, 74, 0.3);
}

.btn.ghost:hover:not(:disabled) {
    background: var(--brand-accent);
}

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

/* Icon Button Styling */
.btn.icon-btn {
    gap: 0.5rem;
    padding: 0.65rem 1.2rem;
}

.btn.icon-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.btn.icon-btn:hover svg {
    transform: translateX(-2px);
}

.btn.icon-btn span {
    font-size: 0.9rem;
    font-weight: 600;
}

@media (max-width: 640px) {
    .header-inner {
        padding: 1rem 1rem;
        gap: 0.75rem;
        flex-wrap: nowrap;
    }

    .brand {
        flex-shrink: 0;
    }

    .brand img {
        width: 40px;
        height: 40px;
    }

    .brand span {
        font-size: 1.1rem;
    }

    .nav-actions {
        gap: 0.4rem;
        flex-shrink: 0;
        margin-left: 0;
        margin-right: auto;
        padding-left: 0.5rem;
    }

    .nav-actions .btn {
        padding: 0.55rem 0.8rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .container {
        width: 100%;
        padding: 0 1rem;
    }

    .btn.icon-btn {
        padding: 0.55rem 0.85rem;
        font-size: 0.8rem;
    }

    .btn.icon-btn svg {
        width: 16px;
        height: 16px;
    }
}