@import url("https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500;700&family=Source+Code+Pro:wght@400;600&display=swap");

:root {
    --bg-color: #0d1117;
    --container-bg: rgba(18, 13, 36, 0.75);
    --border-color: #d946ef;
    --text-color: #ffffff;
    --accent-text-color: #e879f9;
    --secondary-accent-color: #f0abfc;
    --dimmed-text-color: #d1d5db;
    --spotify-green: #1db954;
    --spotify-green-hover: #1ed760;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glow: 0 0 30px rgba(217, 70, 239, 0.3);
    --shadow-elevation: 0 5px 15px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Source Code Pro", monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    max-height: 100vh;
    text-align: center;
    overflow: hidden;
    position: relative;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
}

.container {
    padding: 40px;
    border-radius: 16px;
    background-color: var(--container-bg);
    box-shadow: var(--shadow-glow), var(--shadow-elevation);
    border: 2px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    max-width: 720px;
    width: 95%;
    position: relative;
    z-index: 1;
    overflow: hidden;
    margin: 20px auto;
    transition: var(--transition-base);
}

.container::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center,
        rgba(232, 121, 249, 0.12),
        transparent 65%
    );
    z-index: -1;
    pointer-events: none;
}

h1 {
    font-family: "Roboto Mono", monospace;
    font-weight: 700;
    font-size: 2.6em;
    color: var(--accent-text-color);
    margin-bottom: 20px;
    letter-spacing: 1.2px;
    line-height: 1.3;
}

.title-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.title-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
    transition: var(--transition-base);
}

.title-logo:hover {
    transform: scale(1.1) rotate(5deg);
}

p {
    font-size: 1.05em;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-color);
}

p.subtitle {
    font-size: 0.95em;
    color: var(--dimmed-text-color);
    margin-top: -10px;
}

.countup-title {
    font-family: "Roboto Mono", monospace;
    font-weight: 600;
    font-size: 1.5em;
    color: var(--text-color);
    margin-bottom: 25px;
    margin-top: 30px;
    letter-spacing: 0.8px;
    text-shadow: 0 0 15px rgba(217, 70, 239, 0.6);
    text-align: center;
}

.countdown-container {
    margin: 30px auto;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    width: 100%;
    max-width: 600px;
}

.countdown-unit {
    background: linear-gradient(
        145deg,
        rgba(26, 16, 50, 0.7),
        rgba(18, 13, 36, 0.6)
    );
    padding: 18px 12px;
    border-radius: 12px;
    border: 1.5px solid rgba(217, 70, 239, 0.5);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.countdown-unit::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(217, 70, 239, 0.05), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.countdown-unit:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 20px rgba(217, 70, 239, 0.3);
    border-color: var(--border-color);
}

.countdown-unit:hover::before {
    opacity: 1;
}

.countdown-unit span {
    display: block;
    font-family: "Roboto Mono", monospace;
    font-weight: 700;
    font-size: 2.4em;
    color: var(--accent-text-color);
    margin-bottom: 8px;
    text-shadow: 0 0 10px rgba(217, 70, 239, 0.5);
    position: relative;
    z-index: 1;
    line-height: 1;
}

.countdown-unit .label {
    font-family: "Source Code Pro", monospace;
    font-size: 0.75em;
    color: var(--dimmed-text-color);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* Milestones Badge */
.milestones-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin: 25px auto;
    padding: 14px 24px;
    background: linear-gradient(
        135deg,
        rgba(217, 70, 239, 0.18),
        rgba(232, 121, 249, 0.12)
    );
    border: 1.5px solid rgba(217, 70, 239, 0.5);
    border-radius: 30px;
    max-width: 300px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.milestones-badge::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center,
        rgba(232, 121, 249, 0.15),
        transparent 65%
    );
    z-index: -1;
}

.milestones-badge:hover {
    transform: translateY(-3px) scale(1.02);
    border-color: var(--border-color);
    box-shadow: 0 8px 20px rgba(217, 70, 239, 0.3);
}

.milestones-badge:active {
    transform: translateY(-1px) scale(1.01);
}

.badge-icon {
    font-size: 1.6em;
    text-shadow: 0 0 12px rgba(217, 70, 239, 0.7);
    animation: badgeGlow 3s ease-in-out infinite alternate;
}

@keyframes badgeGlow {
    0% {
        transform: scale(1);
        filter: brightness(1);
    }
    100% {
        transform: scale(1.12);
        filter: brightness(1.2);
    }
}

.badge-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
}

.badge-count {
    font-family: "Roboto Mono", monospace;
    font-weight: 700;
    font-size: 1.15em;
    color: var(--accent-text-color);
    text-shadow: 0 0 10px rgba(217, 70, 239, 0.5);
}

.badge-text {
    font-family: "Source Code Pro", monospace;
    font-size: 0.72em;
    color: var(--dimmed-text-color);
    text-transform: uppercase;
    letter-spacing: 1.1px;
}

/* Milestones Panel */
.milestones-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 650px;
    max-height: 80vh;
    background: linear-gradient(
        145deg,
        rgba(18, 13, 36, 0.97),
        rgba(26, 16, 50, 0.97)
    );
    border: 2px solid var(--border-color);
    border-radius: 24px;
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.6),
        0 0 50px rgba(217, 70, 239, 0.4);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.milestones-panel.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
}

.milestones-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px 18px;
    border-bottom: 1.5px solid rgba(217, 70, 239, 0.3);
    background: linear-gradient(90deg, rgba(217, 70, 239, 0.12), transparent);
}

.milestones-panel-title {
    font-family: "Roboto Mono", monospace;
    font-weight: 700;
    font-size: 1.5em;
    color: var(--text-color);
    margin: 0;
    text-shadow: 0 0 18px rgba(217, 70, 239, 0.6);
}

.milestones-close-btn {
    background: rgba(217, 70, 239, 0.1);
    border: 1px solid rgba(217, 70, 239, 0.3);
    color: var(--dimmed-text-color);
    font-size: 1.4em;
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    transition: all var(--transition-base);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.milestones-close-btn:hover {
    background-color: rgba(217, 70, 239, 0.25);
    color: var(--text-color);
    border-color: var(--border-color);
    transform: rotate(90deg) scale(1.1);
}

.milestones-close-btn:active {
    transform: rotate(90deg) scale(0.95);
}

.milestones-panel-content {
    padding: 24px 28px 28px;
    max-height: calc(80vh - 100px);
    overflow-y: auto;
}

.milestones-panel-content::-webkit-scrollbar {
    width: 8px;
}

.milestones-panel-content::-webkit-scrollbar-track {
    background: rgba(217, 70, 239, 0.12);
    border-radius: 4px;
}

.milestones-panel-content::-webkit-scrollbar-thumb {
    background: linear-gradient(
        180deg,
        var(--border-color),
        var(--accent-text-color)
    );
    border-radius: 4px;
    transition: background var(--transition-base);
}

.milestones-panel-content::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

.milestones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 16px;
    width: 100%;
}

.milestone {
    background: linear-gradient(
        145deg,
        rgba(26, 16, 50, 0.8),
        rgba(18, 13, 36, 0.7)
    );
    border-radius: 14px;
    padding: 18px 14px;
    border: 1.5px solid rgba(217, 70, 239, 0.4);
    transition: all var(--transition-base);
    text-align: center;
    position: relative;
    overflow: hidden;
    cursor: default;
}

.milestone::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at center,
        rgba(232, 121, 249, 0.1),
        transparent 70%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
}

.milestone:hover {
    transform: translateY(-4px) scale(1.03);
    border-color: rgba(217, 70, 239, 0.6);
    box-shadow: 0 6px 16px rgba(217, 70, 239, 0.2);
}

.milestone:hover::before {
    opacity: 1;
}

.milestone.completed {
    border-color: var(--border-color);
    background: linear-gradient(
        145deg,
        rgba(217, 70, 239, 0.15),
        rgba(232, 121, 249, 0.1)
    );
    box-shadow: 0 6px 16px rgba(217, 70, 239, 0.25);
}

.milestone.completed::before {
    opacity: 1;
}

.milestone.completed:hover {
    box-shadow: 0 8px 24px rgba(217, 70, 239, 0.35);
}

.milestone-icon {
    font-size: 2em;
    margin-bottom: 10px;
    display: block;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.milestone.completed .milestone-icon {
    color: var(--accent-text-color);
    text-shadow: 0 0 12px rgba(217, 70, 239, 0.6);
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
}

.milestone:not(.completed) .milestone-icon {
    color: var(--dimmed-text-color);
    opacity: 0.6;
}

.milestone-text {
    font-family: "Source Code Pro", monospace;
    font-size: 0.78em;
    color: var(--dimmed-text-color);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    line-height: 1.3;
    position: relative;
    z-index: 1;
}

.milestone.completed .milestone-text {
    color: var(--text-color);
    font-weight: 600;
}

.milestone-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(
        135deg,
        var(--border-color),
        var(--accent-text-color)
    );
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: white;
    opacity: 0;
    transform: scale(0) rotate(-180deg);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 2px 8px rgba(217, 70, 239, 0.4);
}

.milestone.completed .milestone-badge {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

@keyframes milestoneComplete {
    0% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.08);
        box-shadow: 0 10px 30px rgba(217, 70, 239, 0.5);
    }
    50% {
        transform: scale(0.98);
    }
    75% {
        transform: scale(1.04);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 6px 16px rgba(217, 70, 239, 0.25);
    }
}

/* Spotify Player */
.spotify-player {
    background: linear-gradient(
        145deg,
        rgba(18, 13, 36, 0.75),
        rgba(26, 16, 50, 0.65)
    );
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    padding: 18px;
    margin: 30px auto;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1.5px solid rgba(30, 215, 96, 0.3);
    max-width: 540px;
    width: 100%;
    transition: all var(--transition-base);
}

.spotify-player::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 215, 96, 0.08), transparent);
    z-index: 0;
    border-radius: 12px;
}

.spotify-player:hover {
    border-color: rgba(30, 215, 96, 0.5);
    box-shadow:
        0 8px 28px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(30, 215, 96, 0.15);
}

.player-top {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.player-left {
    display: flex;
    align-items: center;
    position: relative;
    flex-shrink: 0;
}

.album-cover {
    width: 70px;
    height: 70px;
    border-radius: 10px;
    object-fit: cover;
    transition: all var(--transition-base);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.album-cover:hover {
    transform: scale(1.05);
}

.song-info {
    flex: 1;
    text-align: left;
    min-width: 0;
}

.song-title {
    font-family: "Roboto Mono", monospace;
    font-weight: 600;
    font-size: 1.05em;
    color: var(--text-color);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-artist {
    font-size: 0.88em;
    color: var(--dimmed-text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.progress-container {
    margin-top: 16px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.progress-bar-row {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.progress-bar {
    flex: 1;
    height: 5px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.progress-bar:hover {
    height: 6px;
}

.progress-filled {
    height: 100%;
    background: linear-gradient(90deg, #1db954, #1ed760);
    border-radius: 3px;
    transition: width 0.1s linear;
    position: relative;
}

.progress-filled::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.progress-bar:hover .progress-filled::after {
    opacity: 1;
}

.current-time,
.duration {
    font-size: 0.72em;
    color: var(--dimmed-text-color);
    min-width: 38px;
    font-family: "Roboto Mono", monospace;
}

.current-time {
    text-align: left;
}

.duration {
    text-align: right;
}

.playback-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: all var(--transition-base);
    z-index: 2;
    pointer-events: none;
}

.player-left:hover .playback-button {
    opacity: 1;
    pointer-events: auto;
}

.player-left:hover .album-cover {
    filter: brightness(0.5);
}

.control-button {
    background: var(--spotify-green);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: white;
    font-size: 1.1em;
    box-shadow: 0 4px 12px rgba(29, 185, 84, 0.4);
}

.control-button:hover {
    background: var(--spotify-green-hover);
    transform: scale(1.08);
    box-shadow: 0 6px 16px rgba(29, 185, 84, 0.5);
}

.control-button:active {
    transform: scale(0.96);
}

.control-button i {
    pointer-events: none;
}

.control-button i.fa-play {
    margin-left: 3px;
}

#audio-player {
    display: none;
}

/* Social Links */
.social-links {
    margin: 30px auto 0;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.social-links .icon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 35px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--secondary-accent-color);
    text-decoration: none;
    font-size: 1.9em;
    transition: all var(--transition-base);
    display: inline-block;
    position: relative;
}

.social-links a::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(217, 70, 239, 0.3), transparent);
    transition: all var(--transition-base);
    z-index: -1;
}

.social-links a:hover {
    color: var(--text-color);
    transform: translateY(-3px) scale(1.15);
    text-shadow: 0 0 15px rgba(217, 70, 239, 0.9);
}

.social-links a:hover::before {
    width: 50px;
    height: 50px;
}

.social-links a:active {
    transform: translateY(-1px) scale(1.08);
}

.social-links .username {
    margin-top: 18px;
    font-size: 1.05em;
    color: var(--accent-text-color);
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.5px;
}

.social-links .quote {
    margin: 12px auto 0;
    font-size: 0.93em;
    color: var(--dimmed-text-color);
    font-style: italic;
    max-width: 85%;
    text-align: center;
    line-height: 1.5;
}

footer {
    margin: 28px auto 0;
    padding-top: 20px;
    font-size: 0.82em;
    color: var(--dimmed-text-color);
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
    text-align: center;
    width: 100%;
    border-top: 1px solid rgba(217, 70, 239, 0.2);
}

/* ========== RESPONSIVE DESIGN ========== */

/* Tablet & Medium Screens */
@media (max-width: 900px) {
    .countdown-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .countdown-unit {
        flex: 0 0 calc(33.333% - 7px);
        min-width: 0;
    }

    .countdown-unit:nth-child(4),
    .countdown-unit:nth-child(5) {
        flex: 0 0 calc(33.333% - 7px);
        margin: 0;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 30px 25px;
        width: 92%;
    }

    h1 {
        font-size: 2.2em;
    }

    .countup-title {
        font-size: 1.3em;
        margin-top: 25px;
        margin-bottom: 20px;
    }

    .countdown-container {
        max-width: 500px;
        gap: 10px;
    }

    .countdown-unit {
        padding: 14px 10px;
    }

    .countdown-unit span {
        font-size: 2em;
    }

    .countdown-unit .label {
        font-size: 0.7em;
    }

    .spotify-player {
        padding: 15px;
    }

    .album-cover {
        width: 65px;
        height: 65px;
    }

    .milestones-panel {
        width: 92%;
        max-height: 85vh;
    }

    .milestones-grid {
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
        gap: 14px;
    }
}

/* Mobile Landscape & Small Tablets */
@media (max-width: 640px) {
    .countdown-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        max-width: 400px;
    }

    .countdown-unit {
        flex: 0 0 calc(33.333% - 7px);
        min-width: 0;
    }

    .countdown-unit:nth-child(4),
    .countdown-unit:nth-child(5) {
        flex: 0 0 calc(33.333% - 7px);
        margin: 0;
    }
}

/* Mobile Portrait */
@media (max-width: 560px) {
    .container {
        padding: 25px 20px;
        width: 94%;
        border-radius: 14px;
    }

    h1 {
        font-size: 1.8em;
        margin-bottom: 15px;
    }

    .title-section {
        gap: 12px;
    }

    .title-logo {
        width: 52px;
        height: 52px;
    }

    p {
        font-size: 0.92em;
        line-height: 1.6;
    }

    .countup-title {
        font-size: 1.15em;
        margin-top: 20px;
        margin-bottom: 18px;
    }

    .countdown-container {
        margin: 20px auto;
        gap: 8px;
    }

    .countdown-unit {
        padding: 12px 8px;
    }

    .countdown-unit span {
        font-size: 1.7em;
        margin-bottom: 6px;
    }

    .countdown-unit .label {
        font-size: 0.65em;
        letter-spacing: 0.8px;
    }

    .milestones-badge {
        padding: 12px 18px;
        gap: 12px;
        max-width: 270px;
    }

    .badge-icon {
        font-size: 1.4em;
    }

    .badge-count {
        font-size: 1.05em;
    }

    .badge-text {
        font-size: 0.68em;
    }

    .spotify-player {
        padding: 14px;
        margin: 25px auto;
    }

    .album-cover {
        width: 60px;
        height: 60px;
    }

    .control-button {
        width: 40px;
        height: 40px;
        font-size: 1em;
    }

    .song-title {
        font-size: 0.98em;
    }

    .song-artist {
        font-size: 0.82em;
    }

    .social-links .icon-container {
        gap: 25px;
    }

    .social-links a {
        font-size: 1.6em;
    }

    .milestones-panel {
        width: 94%;
        border-radius: 20px;
    }

    .milestones-panel-header {
        padding: 20px 22px 16px;
    }

    .milestones-panel-title {
        font-size: 1.3em;
    }

    .milestones-panel-content {
        padding: 20px 22px;
    }

    .milestones-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 12px;
    }

    .milestone {
        padding: 14px 10px;
    }

    .milestone-icon {
        font-size: 1.7em;
        margin-bottom: 8px;
    }
}

/* Small Mobile */
@media (max-width: 420px) {
    .container {
        padding: 20px 16px;
        border-radius: 12px;
    }

    h1 {
        font-size: 1.6em;
    }

    .title-logo {
        width: 44px;
        height: 44px;
    }

    p {
        font-size: 0.85em;
    }

    p.subtitle {
        font-size: 0.78em;
    }

    .countup-title {
        font-size: 1.05em;
        margin-top: 18px;
        margin-bottom: 15px;
    }

    .countdown-container {
        max-width: 340px;
        gap: 8px;
    }

    .countdown-unit {
        padding: 10px 6px;
        border-radius: 10px;
    }

    .countdown-unit span {
        font-size: 1.5em;
    }

    .countdown-unit .label {
        font-size: 0.6em;
    }

    .milestones-badge {
        padding: 10px 16px;
        gap: 10px;
        max-width: 240px;
    }

    .badge-icon {
        font-size: 1.3em;
    }

    .badge-count {
        font-size: 0.95em;
    }

    .badge-text {
        font-size: 0.63em;
    }

    .spotify-player {
        padding: 12px;
        border-radius: 10px;
    }

    .album-cover {
        width: 55px;
        height: 55px;
        border-radius: 8px;
    }

    .player-top {
        gap: 12px;
    }

    .control-button {
        width: 36px;
        height: 36px;
        font-size: 0.9em;
    }

    .song-title {
        font-size: 0.9em;
    }

    .song-artist {
        font-size: 0.78em;
    }

    .progress-container {
        margin-top: 14px;
    }

    .current-time,
    .duration {
        font-size: 0.68em;
        min-width: 34px;
    }

    .social-links .icon-container {
        gap: 20px;
    }

    .social-links a {
        font-size: 1.5em;
    }

    .social-links .username {
        font-size: 0.95em;
    }

    .social-links .quote {
        font-size: 0.85em;
        max-width: 90%;
    }

    footer {
        font-size: 0.75em;
        margin-top: 22px;
        padding-top: 16px;
    }

    .milestones-panel {
        width: 96%;
        max-height: 88vh;
        border-radius: 18px;
    }

    .milestones-panel-header {
        padding: 18px 20px 14px;
    }

    .milestones-panel-title {
        font-size: 1.2em;
    }

    .milestones-close-btn {
        width: 36px;
        height: 36px;
        font-size: 1.2em;
    }

    .milestones-panel-content {
        padding: 18px 20px 20px;
    }

    .milestones-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .milestone {
        padding: 12px 8px;
        border-radius: 12px;
    }

    .milestone-icon {
        font-size: 1.6em;
    }

    .milestone-text {
        font-size: 0.72em;
    }
}

/* Extra Small Mobile */
@media (max-width: 360px) {
    .container {
        padding: 18px 14px;
        width: 96%;
    }

    h1 {
        font-size: 1.5em;
    }

    .title-section {
        flex-direction: column;
        gap: 10px;
    }

    .title-logo {
        width: 42px;
        height: 42px;
    }

    .countup-title {
        font-size: 0.98em;
    }

    .countdown-container {
        max-width: 300px;
        gap: 6px;
    }

    .countdown-unit {
        padding: 8px 5px;
    }

    .countdown-unit span {
        font-size: 1.35em;
    }

    .countdown-unit .label {
        font-size: 0.56em;
    }

    .countdown-unit:nth-child(5) {
        max-width: calc(50% - 3px);
    }

    .milestones-badge {
        padding: 8px 14px;
        max-width: 210px;
        flex-direction: row;
        gap: 8px;
    }

    .badge-icon {
        font-size: 1.2em;
    }

    .badge-count {
        font-size: 0.88em;
    }

    .badge-text {
        font-size: 0.58em;
    }

    .spotify-player {
        padding: 10px;
    }

    .album-cover {
        width: 50px;
        height: 50px;
    }

    .player-top {
        gap: 10px;
    }

    .song-title {
        font-size: 0.85em;
    }

    .song-artist {
        font-size: 0.75em;
    }

    .control-button {
        width: 34px;
        height: 34px;
        font-size: 0.85em;
    }

    .social-links .icon-container {
        gap: 18px;
    }

    .social-links a {
        font-size: 1.4em;
    }

    .milestones-panel {
        width: 98%;
        border-radius: 16px;
    }

    .milestones-panel-content {
        padding: 16px 18px 18px;
    }

    .milestones-grid {
        gap: 8px;
    }

    .milestone {
        padding: 10px 6px;
    }

    .milestone-icon {
        font-size: 1.5em;
        margin-bottom: 6px;
    }

    .milestone-text {
        font-size: 0.68em;
    }

    .milestone-badge {
        width: 20px;
        height: 20px;
        font-size: 11px;
    }
}

/* Accessibility & Focus States */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--border-color);
    outline-offset: 3px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}