/* Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.main-content {
    flex-grow: 1;
    position: relative;
    z-index: 0;
    overflow-y: auto;
}

.page-container {
    padding-top: 5rem;
    padding-bottom: 2.5rem;
    padding-left: 1rem;
    padding-right: 1rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

/* Header */
.site-header {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    /* Let clicks pass through empty space */
}

.header-glass {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-full);
    padding: 0.5rem 1rem;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-main);
    letter-spacing: -0.025em;
}

/* User Menu */
.user-menu-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    border: 2px solid transparent;
    transition: border-color 0.2s;
}

.user-menu-btn:hover {
    border-color: var(--primary);
}

.user-dropdown {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 0.5rem;
    width: 12rem;
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem 0;
    z-index: 50;
    transform-origin: top right;
}

.user-dropdown.hidden {
    display: none;
}

.menu-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.5rem 1rem;
    font-weight: 500;
    color: var(--text-main);
    transition: background-color 0.15s;
}

.menu-item:hover {
    background-color: var(--bg-color);
}

.menu-item.danger {
    color: var(--danger);
}

.login-btn {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    pointer-events: auto;
    transition: background-color 0.2s;
}

.login-btn:hover {
    background-color: white;
}

/* Floating Action Button */
.fab-container {
    position: fixed;
    bottom: 2rem;
    left: 0;
    right: 0;
    z-index: 999;
    display: flex;
    justify-content: center;
    pointer-events: none;
}

.fab-btn {
    pointer-events: auto;
    background-color: var(--primary);
    color: white;
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-xl);
    transition: transform 0.2s, background-color 0.2s;
}

.fab-btn:hover {
    background-color: var(--primary-hover);
    transform: scale(1.05);
}

/* Toasts */
.toast-container {
    position: fixed;
    top: 5rem;
    right: 1rem;
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    background: white;
    border-right: 4px solid transparent;
    /* default */
    border-left: 4px solid var(--success);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    pointer-events: auto;
    transition: transform 0.3s ease-out;
}

.toast.error {
    border-left-color: var(--danger);
}

.toast-content h4 {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--text-main);
}

.toast-content p {
    font-size: 0.75rem;
    color: var(--text-muted);
}