/* ═══════════ Vidyasetu.notes Sign-Up Page Styles ═══════════ */

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

html {
    scroll-behavior: smooth;
}

/* ───── Scrollbar ───── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 999px;
}

/* ───── Floating Particles ───── */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
}

/* ───── Button shimmer ───── */
.btn-shimmer {
    position: relative;
    overflow: hidden;
}

.btn-shimmer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(255, 255, 255, 0.12) 50%,
            transparent 100%);
    transform: rotate(25deg) translateX(-100%);
    transition: transform 0.6s;
}

.btn-shimmer:hover::after {
    transform: rotate(25deg) translateX(100%);
}

/* ───── Social btn hover ───── */
.social-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

/* ───── Input focus glow ───── */
.input-glow:focus-within {
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color) 25%, transparent),
        0 0 20px color-mix(in srgb, var(--primary-color) 8%, transparent);
}

/* ───── Loader animation ───── */
.loader-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ───── Toast Notifications ───── */
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 14px;
    pointer-events: auto;
    min-width: 260px;
    max-width: 380px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.toast-success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.2);
}

.toast-success .toast-icon {
    color: #34d399;
    filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.5));
}

.toast-error {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.2);
}

.toast-error .toast-icon {
    color: #f87171;
    filter: drop-shadow(0 0 6px rgba(239, 68, 68, 0.5));
}

.toast-info {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.2);
}

.toast-info .toast-icon {
    color: #60a5fa;
    filter: drop-shadow(0 0 6px rgba(59, 130, 246, 0.5));
}

.toast-message {
    font-size: 13px;
    font-weight: 500;
    color: #e2e8f0;
    line-height: 1.4;
}

/* ───── Google Button States ───── */
.social-btn.btn-loading {
    opacity: 0.7;
    pointer-events: none;
    cursor: wait;
}

.social-btn.btn-success {
    border-color: rgba(16, 185, 129, 0.25) !important;
    background: rgba(16, 185, 129, 0.08) !important;
    pointer-events: none;
}

/* ───── Submit Button Success ───── */
.btn-success-primary {
    background: linear-gradient(to right, #059669, #10b981, #34d399) !important;
    pointer-events: none;
}

/* ───── Password Strength Bar ───── */
.strength-bar {
    transition: background-color 0.3s ease;
}